Exercise\#3: Write a program that calculates and prints the bill for a cellular telephone company. The company offers two types of service: regular and premium. Rates vary based on the type of service and are computed as follows: Regular service: 10.00 AED plus first 50 minutes are free. Charges for over 50 minutes are 0.2 AED per minute. Premium service: 25.00 AED plus: a) For calls made in day time, the first 75 minutes are free; charges for over 75 minutes are 0.10 AED per minute. b) For calls made in night time, the first 100 minutes are free; charges for over 100 minutes are 0.05 AED per minute. Your program should: - Prompt the user to enter an account number, a service code (type char), and the number of minutes the service was used. A service code of r or R means regular service; a service code of p or P means premium service. Treat any other character as an error. - For the premium service, the customer may be using the service during the day and the night. Therefore, to calculate the bill, you must ask the user to input the number of minutes the service was used during the day and the number of minutes the service was used during the night. - Your program should output the account number and the amount due from the user