public string TotalPrice(string basePrice, string discountIndicator, string stateTax, string quantity)
{
double _basePrice;
int _quantity;
bool _discountIndicator;
double _taxableAmount;
//if state is not selected - request for selection
if (string.IsNullOrWhiteSpace(stateTax))
{
return("<B>Please select state<B>");
}
double.TryParse(basePrice, out _basePrice);
Int32.TryParse(quantity, out _quantity);
bool.TryParse(discountIndicator, out _discountIndicator);
_taxableAmount = _quantity * _basePrice;
if (_discountIndicator)
{
_taxableAmount = _taxableAmount - (_taxableAmount * 0.1);
}
IPriceCalculator priceCalculator = _processLocator.GetProcessor <IPriceCalculator>(stateTax);
return("Your Total Price will be : " + "<b> $" + priceCalculator.PriceWithTax(_taxableAmount).ToString() + "<b>");
}