5. Write a program that calculates and print the Electricity bill of a given customer. The customer id., name and unit consumed by the user should be taken from the keyboard and display the total amount to pay to the customer. The charge is as follow: Unit Charge per unit 5$ 200 and above but less than 400 7$ 400 and above but less than 600 10$ 600 and above 12$ upto 199