Write a program to calculate the average score for a student. The class has three hands-on test (30%), two assignments (20%) and a final exam (50 %). The maximum score for all test, assignment and exam is 100 points. Tips: 1. Determine who the end user is. 2. Determine what are input that the user needs to provide. 3. Determine the process of the input. 4. Determine the output from the process. 5. Construct a flow chart and C program.