public bool IfFlowerExistInPriceList(IFlower flower)
{
return(prices.Exists(x => x.GetFlowerName() == flower.GetFlowerName()));
}
public int GetFlowerCharge(IFlower flower)
{
var price = prices.Where(x => x.GetFlowerName() == flower.GetFlowerName()).FirstOrDefault();
return(flower.GetFlowerAmount() * price.GetFlowerPrice());
}
