/// <summary>
 /// The GetPrice
 /// </summary>
 /// <returns>The <see cref="double"/></returns>
 public double GetPrice()
 {
     return(DrinkItem.GetPrice() + FranchiseItem.GetPrice() + PizzaItem.GetPrice() + ToppingItem.GetPrice());
 }
 /// <summary>
 /// The GetPrice
 /// </summary>
 /// <returns>The <see cref="double"/></returns>
 public override double GetPrice()
 {
     return(mPizza.GetPrice());
 }