I've tried my best writing the code but I have no idea how to make item number function like 1 -> 2.99. We are programming in C.

2) We are managing a small retail store that sells 4 products Item number Retail price 2.99 1.99 9.99 4.49 4 gram that takes a pair of numbers as follows Write a pro item number Your program should calculate and display the total retail value of the products sold. Your program should use a switch statement to help determine the price of each product 3) Your program should adhere to the following LO specification "Enter the item number and quantity sold:" Read a pair of numbers "The total retail value for xx units of item yy is: $zz.ln