diff --git a/library/src/calculator_functions.cpp b/library/src/calculator_functions.cpp
index afe43fa..5a679ee 100644
--- a/library/src/calculator_functions.cpp
+++ b/library/src/calculator_functions.cpp
@@ -344,8 +344,6 @@ std::string Calculator::GetDurationFromCost(Configuration* cfg,
 #if DEBUG_GET_DURATION_FROM_COST==1
                 qCritical() << DBG_HEADER << "(ADAPTED) INPUT-DATE" << inputDate.toString(Qt::ISODate);
 #endif
-                //qCritical() << __func__ << __LINE__;
-
                 // inputDate is now located in a valid operational-working-range
                 // find this working-time-range
                 int pwd_period_day_in_week_id = inputDate.date().dayOfWeek();
@@ -359,8 +357,6 @@ std::string Calculator::GetDurationFromCost(Configuration* cfg,
                     return "";
                 }
 
-                //qCritical() << __func__ << __LINE__;
-
                 QTime current_working_time_from;
                 QTime current_working_time_to;
 
@@ -1018,12 +1014,14 @@ uint32_t Calculator::GetCostFromDuration(Configuration * cfg,
                                          int paymentOptionIndex) const {
     static const PaymentMethod paymentMethodId = Utilities::getPaymentMethodId(cfg);
 
-    //qCritical() << __func__ << __LINE__ << "paymentOptionIndex" << paymentOptionIndex;
+    // qCritical() << __func__ << __LINE__ << "paymentOptionIndex" << paymentOptionIndex;
 
     if (paymentMethodId == PaymentMethod::Steps ||
         paymentMethodId == PaymentMethod::Degressive) {
         int const timeStepInMinutes = start.secsTo(end) / 60;
         QList<int> tlist = Calculator::GetInstance().GetTimeSteps(cfg, paymentOptionIndex, start);
+        qCritical() << DBG_HEADER << "       start" << start.toString(Qt::ISODate);
+        qCritical() << DBG_HEADER << "         end" << end.toString(Qt::ISODate);
         qCritical() << DBG_HEADER << "timeStepList" << timeStepInMinutes << tlist;
         qCritical() << DBG_HEADER << "timeStepInMinutes" << timeStepInMinutes << start.toString(Qt::ISODate);
 
@@ -2532,10 +2530,10 @@ QList<int> &Calculator::GetTimeSteps(Configuration *cfg, int paymentOptionIndex,
                             }
                         }
                     } else { // if (carryOverTimeRangeFrom == QTime(0, 0, 0)) {
-                        //if (DBG_LEVEL >= DBG_DEBUG) {
+                        if (DBG_LEVEL >= DBG_DEBUG) {
                             qCritical() << "(" << __func__ << ":" << __LINE__ << ")        carry over time range from:" << carryOverTimeRangeFrom.toString(Qt::ISODate);
                             qCritical() << "(" << __func__ << ":" << __LINE__ << ")          carry over time range to:" << carryOverTimeRangeTo.toString(Qt::ISODate);
-                        //}
+                        }
 
                         m_timeSteps[paymentOptionIndex].clear();
 
@@ -2559,7 +2557,7 @@ QList<int> &Calculator::GetTimeSteps(Configuration *cfg, int paymentOptionIndex,
                                 qCritical() << "(" << __func__ << ":" << __LINE__ << ")             interpolation end:" << interpolationEnd.toString(Qt::ISODate);
                             }
                         } else {
-                            qCritical() << "(" << __func__ << ":" << __LINE__ << ") TODO";
+                            // qCritical() << "(" << __func__ << ":" << __LINE__ << ") TODO";
                         }
 
                         // int const start_time = start.time().hour() * 60 + start.time().minute();
@@ -2587,7 +2585,7 @@ QList<int> &Calculator::GetTimeSteps(Configuration *cfg, int paymentOptionIndex,
                         for (auto[itr, rangeEnd] = cfg->PaymentRate.equal_range(pop_id); itr != rangeEnd; ++itr) {
                             int const durationId = itr->second.pra_payment_unit_id;
 
-                            //qCritical() << "(" << __func__ << ":" << __LINE__ << ")  durationId" << durationId;
+                            // qCritical() << "(" << __func__ << ":" << __LINE__ << ")  durationId" << durationId;
                             // int const price = itr->second.pra_price;
 
                             auto search = cfg->Duration.find(durationId);
@@ -2611,7 +2609,8 @@ QList<int> &Calculator::GetTimeSteps(Configuration *cfg, int paymentOptionIndex,
                                     ATBInterpolation interpolation = ipolCheck.value();
 
                                     if (duration.pun_interpolation_id == (int)ATBInterpolation::DYNAMIC_ABSTRACT_TIMEPOINT_AND_STATIC_PRICE) {
-                                        qCritical() << "(" << __func__ << ":" << __LINE__ << ")  HIER NICHT";
+                                        //qCritical() << "(" << __func__ << ":" << __LINE__ << ")     payment option id:" << pop_id;
+                                        //qCritical() << "(" << __func__ << ":" << __LINE__ << ")  pun_intnerpolation_id:" << duration.pun_interpolation_id;
 
                                         interpolation.dynamic_start = start.time();
                                         interpolation.dynamic_start.setHMS(start.time().hour(), start.time().minute(), 0);
@@ -2666,6 +2665,7 @@ QList<int> &Calculator::GetTimeSteps(Configuration *cfg, int paymentOptionIndex,
                                     if (duration.pun_interpolation_id == (int)ATBInterpolation::NO_INTERPOLATION) {
 
                                         //qCritical() << "(" << __func__ << ":" << __LINE__ << ")                            pun_id:" << duration.pun_id;
+                                        //qCritical() << "(" << __func__ << ":" << __LINE__ << ")              paymentOptionIndex:" << paymentOptionIndex;
                                         //qCritical() << "(" << __func__ << ":" << __LINE__ << ")                      pun duration:" << duration.pun_duration;
                                         //qCritical() << "(" << __func__ << ":" << __LINE__ << ")                    next time step:" << nextTimeStep.toString(Qt::ISODate);
                                         //qCritical() << "(" << __func__ << ":" << __LINE__ << ")            runtime in minutes (2):" << runtimeInMinutes;
@@ -2678,6 +2678,7 @@ QList<int> &Calculator::GetTimeSteps(Configuration *cfg, int paymentOptionIndex,
                                                     m_timeSteps[paymentOptionIndex] << duration.pun_duration;
                                                     search->second = duration;
                                                     cfg->getPaymentOptions(paymentOptionIndex).pop_min_time = runtimeInMinutes;
+                                                    qCritical() << "(" << __func__ << ":" << __LINE__ << ")       pop_min_time" << cfg->getPaymentOptions(paymentOptionIndex).pop_min_time;
                                                     continue;
                                                 }
                                             }
@@ -2754,7 +2755,6 @@ QList<int> &Calculator::GetTimeSteps(Configuration *cfg, int paymentOptionIndex,
                                         m_timeSteps[paymentOptionIndex] << duration.pun_duration;
                                         search->second = duration;
                                     } else {
-                                        qCritical() << "(" << __func__ << ":" << __LINE__ << ")  HIER NICHT";
                                         cfg->Duration.erase(search);
                                     }
                                 }
@@ -2788,7 +2788,7 @@ QList<int> &Calculator::GetTimeSteps(Configuration *cfg, int paymentOptionIndex,
         }
     }
 
-    qCritical() << "(" << __func__ << ":" << __LINE__ << ")                   NEW timeSteps:" << m_timeSteps;
+    // qCritical() << "(" << __func__ << ":" << __LINE__ << ")                   NEW timeSteps:" << m_timeSteps;
 
     if (DBG_LEVEL >= DBG_DEBUG) {
         qCritical() << "(" << __func__ << ":" << __LINE__ << ")                   NEW timeSteps:" << m_timeSteps;
@@ -2821,9 +2821,13 @@ uint32_t Calculator::GetPriceForTimeStep(Configuration *cfg, int timeStep, int p
     uint32_t price = 0;
     int pun_duration = 0;
 
-    qCritical() << "(" << __func__ << ":" << __LINE__ << ") paymentOptionIndex" << paymentOptionIndex;
-    //qCritical() << "(" << __func__ << ":" << __LINE__ << ") timeStep" << timeStep;
-    //qCritical() << "(" << __func__ << ":" << __LINE__ << ") pop_id" << pop_id;
+    if (DBG_LEVEL >= DBG_DEBUG) {
+        qCritical() << "(" << __func__ << ":" << __LINE__ << ") paymentOptionIndex" << paymentOptionIndex;
+        qCritical() << "(" << __func__ << ":" << __LINE__ << ") timeStep" << timeStep;
+        qCritical() << "(" << __func__ << ":" << __LINE__ << ") pop_id" << pop_id;
+        qCritical() << "(" << __func__ << ":" << __LINE__ << ") pop_accumulate_prices" << pop_accumulate_prices;
+        qCritical() << "(" << __func__ << ":" << __LINE__ << ") pop_accumulate_durations" << pop_accumulate_durations;
+    }
 
     for (auto[itr, rangeEnd] = cfg->PaymentRate.equal_range(pop_id); itr != rangeEnd; ++itr)
     {
@@ -2848,6 +2852,7 @@ uint32_t Calculator::GetPriceForTimeStep(Configuration *cfg, int timeStep, int p
         }
 
         if (DBG_LEVEL >= DBG_DEBUG) {
+            qCritical() << "(" << __func__ << ":" << __LINE__ << ")";
             qCritical() << "(" << __func__ << ":" << __LINE__ << ") price" << price;
             qCritical() << "(" << __func__ << ":" << __LINE__ << ") pun_id" << pun_id;
             qCritical() << "(" << __func__ << ":" << __LINE__ << ") pun_unit_id" << payment_unit_id;