an internet service provider offers three subscription packages to its customers

Question

an internet service provider offers three subscription packages to its customers, plus a discount for nonprofit organizations: a. Package A: 10 hours of access for $9.95 per month. Additional hours are $2.00 per hour. b. Package B: 20 hours of access for $14.95 per month.Additional hours are $1.00 per hour. c. Package C:Unlimited access for $19.95 per month. d. Nonprofit Organizations: The service provider gives all nonprofit organization a 20% discount on all packages. The user should select the package the customer has purchased(from a set of ratio buttons) and enter the number of hours used. A check box captioned Nonprofit Organizations should also appear on the form. The application should calculate and display the total amount due. If the user selects the Nonprofit Organization check box, a 20% discount should be deducted from the final charges. Implementation note: all rates, limits, and discounts must be declare using symbolic constants(using the Const keyword). Input validation: The number of hours used in a month cannot exceed 744. The value must be numeric. Use the following data to determine if the application is calculating properly: Package and Hours.......The Monthly Charge Package A, 5 hours, nonprofit ......... $7.96 Package A, 25 hours .....................$39.95 Package B, 10 hours, nonprofit.........$11.96 Package B, 25 hours......................$19.95 Package C, 18 hours, nonprofit.........$15.96 Package C, 25 hours......................$19.95

Explanation / Answer

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