public double CalculatePayment()
{
double result = 0;
var lastIndication = Convert.ToDouble(Request.Query.FirstOrDefault(x => x.Key == "lastIndication").Value);
var currentIndication = Convert.ToDouble(Request.Query.FirstOrDefault(x => x.Key == "currentIndication").Value);
var rateValue = Convert.ToDouble(Request.Query.FirstOrDefault(x => x.Key == "rateValue").Value);
var bankCollectionPercent = Convert.ToDouble(Request.Query.FirstOrDefault(x => x.Key == "bankCollection").Value);
var finePercent = Convert.ToDouble(Request.Query.FirstOrDefault(x => x.Key == "finePercent").Value);
var loosesPercent = Convert.ToDouble(Request.Query.FirstOrDefault(x => x.Key == "loosesPercent").Value);
result = paymentProvider.CalculetePayment(lastIndication, currentIndication, rateValue, finePercent, bankCollectionPercent, loosesPercent);
return(Math.Round(result, 2));
}