Write a C program that calculates the following: 1. Circle a. Area b. Circumference 2. Rectangle a. Area b. Perimeter 3. Triangle a. Area Your program should first prompt the user as follows: Based on user choice your program should then prompt the following: Based on the subchoice you should call one of the following functions to ask for user data and show the results: a. circle_area(); b. circle_circumference(); c. rectangle_area(); d. rectangle_perimeter(; e. triangle_area0; For any invalid selection, your program should say "Incorrect selection!! Terminating Program" Use conditional statements and functions. Draw a flowchart for any two sub-functions. The flowchart of the main code is given below