The Main() Function Below Calls Three Other Functions. Please Declare The Functions Where Indicated. Do Not Define Them. Main.Cpp 1 #Include 3 Using Namespace Std; 4 5 // Declare (Prototype) Your Functions Here 6 7 8 9 Int Main() 10 11 Auto Price = GetPrice(); 12 Auto Qty - GetQuantity(); 13 PrintTotal (Price, Qty); 14