/// <summary>
/// Calculates a tax for an item rounded up to the nearest nickel.
/// </summary>
/// <param name="price">The base price for calculating the tax.</param>
/// <param name="basicTaxExemption">Indicates the exemption status of an Item.</param>
/// <param name="imported">true indicates the Item is subject to import tariff.</param>
/// <returns></returns>
public static decimal CalcTax(
decimal price,
BasicExempt basicTaxExemption,
bool imported = false)
{
decimal tax = BasicTax(price, basicTaxExemption);
if (imported)
{
tax += ImportTax(price);
}
tax = RoundUpToNearestNickel(tax);
return(tax);
}
private static decimal BasicTax(decimal price, BasicExempt basicTaxExemption)
{
decimal tax = 0m;
switch (basicTaxExemption)
{
case SalesTax.BasicExempt.Book:
case SalesTax.BasicExempt.Food:
case SalesTax.BasicExempt.Medicine:
break;
default:
tax = Decimal.Round(price * .10m, 2);
break;
}
return(tax);
}