public decimal getTotalCost()
{
decimal totalCost = 0;
int amount = _count;
while (amount > 0)
{
if (_isOnPromotion && _promotionInfo.isMetPromoRequirements(amount))
{
totalCost += _promotionInfo.getTotalPriceForQuantityMet();
amount -= _promotionInfo.getQuantityToGetPromoPrice();
}
else
{
totalCost += _regularPrice;
amount -= 1;
}
}
return(totalCost);
}
