Computer science problem

Write a program to ask the user to input the number of items sold and the cost of one item and then use a function to calculate the value of the purchase. The call to the function in main should pass the number of items purchased and the cost of an item. The function should return the value of the purchase. main function should then display the value. Enclose your logic in a do while loop which will ask the user whether he or she wishes to continue and accepts a char value of Y or N as an answer. Input the number of items purchased and the cost of one item 10 7.99 The total value of the purchase is 79.90 Do you want to continue? Y or N Y Input the number of items purchased and the cost of one item 5 11.09 The total value of the purchase is 55.45 Do you want to continue? Y or N Y