public static void GetTextAboutServiceWithMetrics(int index,
int client_id, int month, out string label25, out string label27,
out string label28, out string label30, out string label32, out string label34)
{
label25 = ServicesHandler
.getServiceTariff(index)
.ToString();
label27 = ServicesHandler
.getServiceUsage(index, client_id, month)
.ToString();
label28 = PaymentHandler
.getServiceCost(index, client_id, month)
.ToString();
label30 = PaymentHandler
.getVirtualMoneyInCash(index, client_id)
.ToString();
label32 = PaymentHandler
.TotalToPay(index, client_id, month)
.ToString();
label34 = DebtHandler
.MainDebtHandler(index, client_id, month)
.ToString();
}
public static decimal getServiceCost(int index, int client_id, int month) => ServicesHandler.getServiceUsage(index, client_id, month) * ServicesHandler.getServiceTariff(index);