8. for (int item=7;item>0;item--)e. Modify the program such that it will calculate and print the average and the total prices of 20 items.<br />Exercise 3: Write a C program to draw a symmetrical triangle by using for-loop. The program should be able to produce output as follows: <br />Exercise 4:<br />Write a C programme for Holiday Villa Subang Jaya Business Lounge internet charges that calculates the total charges for internet usage. Operation time: 08:00-22:00 and the charges are as follows:<br />HoursRateFirstRM 3.00Second to FifthRM 2.00Subsequence RM 1.00<br />Allow the user to repeat calculations as many times as needed and enter ‘n’ to stop. The output should similar as follow:<br />