public static decimal PaymentFromAmount(decimal amountMonthly, Int32 timesheetHours, Int32 workingHours, Int32 absenceHours)
        {
            Int32 totalHours = TotalHoursForPayment(timesheetHours, workingHours, absenceHours);

            decimal payment = DecOperations.MultiplyAndDivide(totalHours, amountMonthly, timesheetHours);

            return(payment);
        }
 public static decimal DecFactorResult(decimal valueDec, decimal factor)
 {
     return(DecOperations.MultiplyAndDivide(valueDec, factor, 100m));
 }