diff --git a/main/main.cpp b/main/main.cpp
index 5007382..fc8702c 100644
--- a/main/main.cpp
+++ b/main/main.cpp
@@ -27,6 +27,7 @@ extern "C" char* strptime(const char* s,
 #include <QDebug>
 #include <QDateTime>
 #include <QDir>
+#include <QFileInfo>
 
 #include <fstream>
 #include <sstream>
@@ -41,6 +42,121 @@ extern "C" char* strptime(const char* s,
 #define NEUHAUSER_BILEXA_GALTUER                (0)
 #define NEUHAUSER_KIRCHDORF                     (1)
 
+#if NEUHAUSER_KIRCHDORF==1
+static bool test_neuhauser_kirchdorf(int step, double cost) {
+    switch (step) {
+    case 30:
+        if (cost != 30) {
+            qCritical() << "ERROR COMPUTING COST"
+                        << "HAVE" << cost
+                        << "SHOULD" << 30;
+            return false;
+        }
+        break;
+    case 35:
+        if (cost != 40) {
+            qCritical() << "ERROR COMPUTING COST"
+                        << "HAVE" << cost
+                        << "SHOULD" << 40;
+            return false;
+        }
+        break;
+    case 40:
+        if (cost != 50) {
+            qCritical() << "ERROR COMPUTING COST"
+                        << "HAVE" << cost
+                        << "SHOULD" << 50;
+            return false;
+        }
+        break;
+    case 45:
+        if (cost != 60) {
+            qCritical() << "ERROR COMPUTING COST"
+                        << "HAVE" << cost
+                        << "SHOULD" << 60;
+            return false;
+        }
+        break;
+    case 50:
+        if (cost != 70) {
+            qCritical() << "ERROR COMPUTING COST"
+                        << "HAVE" << cost
+                        << "SHOULD" << 70;
+            return false;
+        }
+        break;
+    case 55:
+        if (cost != 80) {
+            qCritical() << "ERROR COMPUTING COST"
+                        << "HAVE" << cost
+                        << "SHOULD" << 80;
+            return false;
+        }
+        break;
+    case 60:
+        if (cost != 90) {
+            qCritical() << "ERROR COMPUTING COST"
+                        << "HAVE" << cost
+                        << "SHOULD" << 90;
+            return false;
+        }
+        break;
+    case 65:
+        if (cost != 100) {
+            qCritical() << "ERROR COMPUTING COST"
+                        << "HAVE" << cost
+                        << "SHOULD" << 100;
+            return false;
+        }
+        break;
+    case 70:
+        if (cost != 110) {
+            qCritical() << "ERROR COMPUTING COST"
+                        << "HAVE" << cost
+                        << "SHOULD" << 110;
+            return false;
+        }
+        break;
+    case 75:
+        if (cost != 120) {
+            qCritical() << "ERROR COMPUTING COST"
+                        << "HAVE" << cost
+                        << "SHOULD" << 120;
+            return false;
+        }
+        break;
+    case 80:
+        if (cost != 130) {
+            qCritical() << "ERROR COMPUTING COST"
+                        << "HAVE" << cost
+                        << "SHOULD" << 130;
+            return false;
+        }
+        break;
+    case 85:
+        if (cost != 140) {
+            qCritical() << "ERROR COMPUTING COST"
+                        << "HAVE" << cost
+                        << "SHOULD" << 140;
+            return false;
+        }
+        break;
+    case 90:
+        if (cost != 150) {
+            qCritical() << "ERROR COMPUTING COST"
+                        << "HAVE" << cost
+                        << "SHOULD" << 150;
+            return false;
+        }
+        break;
+    default:
+        break;
+    }
+
+    return true;
+}
+
+#endif
 
 int main() {
 #if SCHOENAU_KOENIGSEE==1
@@ -89,6 +205,160 @@ int main() {
 #endif
 
 #if NEUHAUSER_KIRCHDORF==1
+    if (QDir("/opt/app/tools/atbupdate/customer_743").exists()) {
+        if(QFileInfo::exists("/etc/psa_tariff/tariff01.json")) {
+    // if (true) {
+    //    if(true) {
+            const char *f = "/etc/psa_tariff/tariff01.json";
+            // const char *f = "/opt/ptu5/opt/customer_743/etc/psa_tariff/tariff01.json";
+            std::ifstream input(f);
+
+            std::stringstream sstr;
+            while(input >> sstr.rdbuf());
+            std::string json(sstr.str());
+
+            Configuration cfg;
+            bool isParsed = cfg.ParseJson(&cfg, json.c_str());
+
+            if (!isParsed) {
+                qCritical() << "ERROR: CANNOT PARSE" << f;
+                return -1;
+            }
+            qCritical() << "Successfully parsed" << f;
+
+            int const minParkingTime = get_minimal_parkingtime(&cfg);
+            int const maxParkingTime = get_maximal_parkingtime(&cfg);
+            int const minParkingPrice = get_minimal_parkingprice(&cfg);
+
+            if (minParkingTime != 30) {
+                qCritical() << "ERROR: WRONG MIN_PARKING_TIME" << minParkingTime;
+                return -1;
+            }
+            qCritical() << "min_parking_time " << minParkingTime;
+
+            if (maxParkingTime != 90) {
+                qCritical() << "ERROR: WRONG MAX_PARKING_TIME" << maxParkingTime;
+                return -1;
+            }
+            qCritical() << "max_parking_time " << maxParkingTime;
+
+
+            if (minParkingPrice != 30) {
+                qCritical() << "ERROR: WRONG MIN_PARKING_PRICE" << minParkingPrice;
+                return -1;
+            }
+            qCritical() << "min_parking_price" << minParkingPrice;
+
+            QList<int> const stepsConfigured
+                = QList(std::initializer_list<int>{
+                    30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90});
+
+            QList<int> const steps = Calculator::GetInstance().GetTimeSteps(&cfg);
+
+            if (stepsConfigured != steps) {
+                qCritical() << "ERROR: WRONG TIME-STEP-LIST" << steps;
+                qCritical() << "SHOULD BE" << stepsConfigured;
+                return -1;
+            }
+            qCritical() << "time steps" << steps;
+
+            QDateTime s(QDate(2024, 2, 21), QTime());
+            QDateTime end;
+            struct price_t price;
+
+            QList<int>::const_iterator step;
+            for (step = steps.cbegin(); step != steps.cend(); ++step) {
+                qCritical() << QString("*** NEXT STEP: %1 ***").arg(*step);
+                for (int offset = 7*60; offset < 18*60; ++offset) {
+                    QDateTime start = s.addSecs(offset * 60);
+                    QDateTime const firstStart = start;
+
+                    if (compute_price_for_parking_ticket(&cfg, start, *step, end, &price)) {
+                        double cost = price.netto;
+
+                        //qCritical() << "****" << offset << *step << "****";
+                        //qCritical() << "    firstStart :" << firstStart.toString(Qt::ISODate);
+                        //qCritical() << "    start      :" << start.toString(Qt::ISODate);
+                        //qCritical() << "    end        :" << end.toString(Qt::ISODate);
+
+                        if (offset < 8*60) {    // [7:00 - 8:00[
+                            if (!test_neuhauser_kirchdorf(*step, cost)) {
+                                qCritical() << "ERROR AT OFFSET" << offset;
+                                return -1;
+                            }
+                        } else
+                        if (offset < 9*60) {    // [8:00 - 9:00[
+                            if (!test_neuhauser_kirchdorf(*step, cost)) {
+                                qCritical() << "ERROR AT OFFSET" << offset;
+                                return -1;
+                            }
+                        } else
+                        if (offset < 10*60) {
+                            if (!test_neuhauser_kirchdorf(*step, cost)) {
+                                qCritical() << "ERROR AT OFFSET" << offset;
+                                return -1;
+                            }
+                        } else
+                        if (offset < 11*60) {
+                            if (!test_neuhauser_kirchdorf(*step, cost)) {
+                                qCritical() << "ERROR AT OFFSET" << offset;
+                                return -1;
+                            }
+                        } else
+                        if (offset < 12*60) {
+                            if (!test_neuhauser_kirchdorf(*step, cost)) {
+                                qCritical() << "ERROR AT OFFSET" << offset;
+                                return -1;
+                            }
+                        } else
+                        if (offset < 13*60) {
+                            if (!test_neuhauser_kirchdorf(*step, cost)) {
+                                qCritical() << "ERROR AT OFFSET" << offset;
+                                return -1;
+                            }
+                        } else
+                        if (offset < 14*60) {
+                            if (!test_neuhauser_kirchdorf(*step, cost)) {
+                                qCritical() << "ERROR AT OFFSET" << offset;
+                                return -1;
+                            }
+                        } else
+                        if (offset < 15*60) {
+                            if (!test_neuhauser_kirchdorf(*step, cost)) {
+                                qCritical() << "ERROR AT OFFSET" << offset;
+                                return -1;
+                            }
+                        } else
+                        if (offset < 16*60) {
+                            if (!test_neuhauser_kirchdorf(*step, cost)) {
+                                qCritical() << "ERROR AT OFFSET" << offset;
+                                return -1;
+                            }
+                        } else
+                        if (offset < 17*60) {
+                            if (!test_neuhauser_kirchdorf(*step, cost)) {
+                                qCritical() << "ERROR AT OFFSET" << offset;
+                                return -1;
+                            }
+                        } else {
+                            qCritical() << "WARN OFFSET TOO HIGH" << offset;
+                        }
+
+                    } else {
+                        qCritical() << "ERROR COMPUTING PRICE FOR"
+                                    << "start" << start.toString(Qt::ISODate)
+                                    << "step" << *step
+                                    << "end" << end.toString(Qt::ISODate);
+                        return -1;
+                    }
+
+                }
+            }
+        }
+        return 0;
+    }
+
+#if 0
     const char *f = "/opt/ptu5/opt/customer_743/etc/psa_tariff/tariff01.json";
     std::ifstream input(f);
 
@@ -110,18 +380,18 @@ int main() {
         qCritical() << "max_parking_time " << maxParkingTime;
         qCritical() << "min_parking_price" << minParkingPrice;
 
-#if 1
         bool nextDay = false;
         bool prePaid = true;
         // bool carryOver = false;
 
+        //QDateTime s = QDateTime::currentDateTime();
         QDateTime s(QDate(2024, 2, 21), QTime());
         QDateTime end;
         for (int duration = 30; duration <= 90; duration += 5) {
         // for (int duration = 30; duration <= maxParkingTime; duration += 5) {
             qCritical() << "";
-            //for (int offset = 420; offset <= 1080; ++offset) {
             for (int offset = 420; offset <= 1080; ++offset) {
+            //for (int offset = 0; offset <= 0; ++offset) {
             //for (int offset = 420; offset <= 1080; ++offset) {
                 //if (offset > 720 && offset < 840) {
                 //    continue;
@@ -130,7 +400,12 @@ int main() {
                 QDateTime const firstStart = start;
                 // qCritical() << "start" << start.toString(Qt::ISODate);
 
-                double cost = Calculator::GetInstance().GetCostFromDuration(&cfg, 1, start, end, duration, nextDay, prePaid);
+                // double cost = Calculator::GetInstance().GetCostFromDuration(&cfg, 1, start, end, duration, nextDay, prePaid);
+
+                struct price_t price;
+                compute_price_for_parking_ticket(&cfg, start, duration, end, &price);
+
+                double cost = price.netto;
 
 //#if COST_FROM_DURATION==0
                 double cost_soll = 30 + ((duration-30)/5 * 10);
@@ -144,10 +419,10 @@ int main() {
                 qCritical() << "    firstStart :" << firstStart.toString(Qt::ISODate);
                 qCritical() << "    start      :" << start.toString(Qt::ISODate);
                 qCritical() << "    end        :" << end.toString(Qt::ISODate);
-                qCritical() << "duration (soll):" << duration;
-                qCritical() << "duration (ist) :" << duration_ist;
-                qCritical() << "    cost (soll):" << cost_soll;
-                qCritical() << "    cost (ist) :" << cost;
+                //qCritical() << "duration (soll):" << duration;
+                //qCritical() << "duration (ist) :" << duration_ist;
+                //qCritical() << "    cost (soll):" << cost_soll;
+                //qCritical() << "    cost (ist) :" << cost;
 
            //     if (cost_soll != cost) {
                     //qCritical() << "ERROR" << __func__ << ":" << __LINE__
@@ -161,32 +436,31 @@ int main() {
            //     }
 
 //#else
-                start = s.addSecs(offset * 60);
-                std::string duration = Calculator::GetInstance().GetDurationFromCost(&cfg, 1,
-                                                                                     start.toString(Qt::ISODate).toStdString().c_str(),
-                                                                                     cost, false, true);
+                //start = s.addSecs(offset * 60);
+                //std::string duration = Calculator::GetInstance().GetDurationFromCost(&cfg, 1,
+                //                                                                     start.toString(Qt::ISODate).toStdString().c_str(),
+                //                                                                     cost, false, true);
 
 
-                if (end.toString(Qt::ISODate) != QString(duration.c_str())) {
+                //if (end.toString(Qt::ISODate) != QString(duration.c_str())) {
                     //qCritical() << "ERROR" << end.toString(Qt::ISODate)
                     //            << QString(duration.c_str());
                     //break;
 
-                }
+                //}
 
-                qCritical() << "start" << start.toString(Qt::ISODate)
-                            << "cost" << cost
-                            << "until" << duration.c_str()
-                            << "end" << end.toString(Qt::ISODate)
-                            << ":" << start.secsTo(QDateTime::fromString(duration.c_str(), Qt::ISODate)) / 60
-                            << (end.toString(Qt::ISODate) == QString(duration.c_str()));
+                //qCritical() << "start" << start.toString(Qt::ISODate)
+                //            << "cost" << cost
+                //            << "until" << duration.c_str()
+                //            << "end" << end.toString(Qt::ISODate)
+                //            << ":" << start.secsTo(QDateTime::fromString(duration.c_str(), Qt::ISODate)) / 60
+                //            << (end.toString(Qt::ISODate) == QString(duration.c_str()));
 
 //#endif // COST_FROM_DURATION
 
             }
         }
 #endif // 0
-    }
 #endif
 
 #if NEUHAUSER_BILEXA_GALTUER==1