Update exchange rate to 352.

etc/psa_config/DC2C_cash.json

@@ -0,0 +1,16 @@
+{	     
+"title":"DC2C_cash  ",
+"project":"DBM Szeged",
+"version":"22.03.2023 11:59 01.02.03",
+"CoinDenom(15..0)":[200,100,50,0,0,0,0,100,200,100,50,20,10,5,0,3],
+"CoinValue(15..0)":[705,350,175,0,0,0,0,100,200,100,50,20,10,5,0,3],
+"CoinAccept(15..0)":[1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1],
+"ExchangeRate":352
+"TokenChannel":1,
+"BillValues(7..0)":[0,0,0,0,0,0,0,0],
+"LocalTaxRate":20,
+"ForeignTaxRate":19,
+"Surcharge":0,	
+"Discount":0,	
+
+}