This program calculates the shipping charge for an item. The program has one function named ShippingCharge that you call in the main that prints out a header and then prompts the user for the weight of the item in kilograms to be shipped. The shipping charge is calculated and printed using a constant RATE that is equal to $5.35 per kilogram. Your function requires declaring a float kg, used to store information entered from the keyboard. Place the constants, function prototypes, function code, and function calls in the appropriate files.