private static void CalculateTotalsOfVatNumber(List <object> vats)
{
object selected = SelectVat(vats);
if (selected is NormalVatNumber normal)
{
NormalVatNumber.CalculateAndPrint(normal);
}
else if (selected is SimpleVatNumber simple)
{
SimpleVatNumber.CalculateAndPrint(simple);
}
else
{
Console.WriteLine("The entered VAT number does not exist!");
}
}
public static void CalculateAndPrint(SimpleVatNumber selected)
{
decimal billTotal = Utilities.Sum(selected.Bills);
decimal profit = billTotal;
if (profit > 0)
{
decimal taxable = profit * SIMPLE_TAXABLE_PERCENTAGE / 100;
decimal taxes = taxable * SIMPLE_TAX_PERCENTAGE / 100;
decimal net = profit - taxes;
Console.WriteLine($"Net gain: {net}; total taxation: {taxes}");
}
else
{
Console.WriteLine($"Profit: {profit}");
}
}