public int GetBillingAmount(int amount)
{
// strategy to choose type of discount
int billingAmount;
if (amount >= 2000)
{
discount = new TwentyPercentDiscount();
billingAmount = discount.CalculateDiscount(amount);
}
else if (amount > 1000)
{
discount = new TenPercentDiscount();
billingAmount = discount.CalculateDiscount(amount);
}
else
{
discount = new FivePercentDiscount();
billingAmount = discount.CalculateDiscount(amount);
}
return(amount - billingAmount);
}
public double CalculateDiscount()
{
return(_Discount.CalculateDiscount(ProductCost));
}
public double GetDiscount() => _discount.CalculateDiscount(_productPrice);
public double GetDiscout()
{
return(_discount.CalculateDiscount(_productPrice));
}
