public decimal CalcTotalTax(List <Product> prodList)
{
decimal totalTax = 0.0m;
foreach (Product p in prodList)
{
totalTax += (p.TaxedCost - p.Price);
}
return(TaxHelper.Truncate(totalTax));
}
public decimal CalcTotalAmount(List <Product> prodList)
{
decimal totalAmount = 0.0m;
foreach (Product p in prodList)
{
totalAmount += p.TaxedCost;
}
return(TaxHelper.Truncate(totalAmount));
}
public decimal CalcTotalProductCost(decimal price, decimal tax)
{
return(TaxHelper.Truncate(price + tax));
}