Write a C program that does the following:

1. Declare a structure called Course with the following members: Name (string), instructorname(string), capacity(int), ID(long int).

2. Ask the user to enter the information of 10 courses and save them in an array called COURSES.

3. Print the ID of the course(s) that has (have) name starts with letter C.

4. Write a function called AverageCapacity that takes the array COURSES as an argument and returns the average capacity for all courses.

5. In the main, call the function AverageCapacity and print the result.