Using C codes

(a) A programmer task is to create a program that take TWO (2) numbers from user, then count and display the percentage of differences between the two numbers (set it to two decimal places). Subtracting a smaller number from a larger number. User should enter a positive number only, if not, the program will keep repeating asking for the number. Analyze the problem given by determining the input and output of the program, the calculation and the boundary condition involved. 11 Draw the flowchart for the task. (5 marks] Write a complete program based on the answer given in Q2a) (11). (b) A programmer has made a buy/sell program for a jewely company. Unfortunately, he is taking so much time in changing the coding every time his boss wants to update the value of gold price. Give TWO (2) solutions to this programmer