public decimal CalculateMonthlyRepaymentsFor(LoanRequest loanRequest)
{
var loanAmount = (double)(loanRequest.AmountRequired);
var rate = (double)(loanRequest.InterestRate / 100);
var paymentVal = ((loanAmount * rate) / 12) * (1 / (1 - Math.Pow((1 / (1 + rate)), loanRequest.RepaymentPeriodInYears)));
return decimal.Round((decimal)paymentVal, 2);
}
public ActionResult Index(LoanRepaymentQueryViewModel loanRepaymentQueryViewModel)
{
var loanRequest = new LoanRequest(loanRepaymentQueryViewModel.RepaymentTerm,
loanRepaymentQueryViewModel.LoanAmount,
loanRepaymentQueryViewModel.InterestRate);
loanRepaymentQueryViewModel.MonthlyRepaymentAmount =
_repaymentCalculator.CalculateMonthlyRepaymentsFor(loanRequest).ToString();
return View(loanRepaymentQueryViewModel);
}
