Long-Distance Calls
A long-distance provider charges the following rates for telephone calls:
Rate Category | Charge |
Daytime (6:00 a.m. through 5:59 p.m.) Evening (6:00 p.m. through 11:59 p.m.) Off-peak (12:00 a.m. through 5:59 a.m.) | $ 0.07 $ 0.12 $ 0.05 |
Create an application that allows the user to select a rate category (from a set of radio buttons) and enter the number of minutes of the call, then displays the charges. Include a Clear button that clears the input and calculated values, and an Exit button that closes the window. Error checking: the minutes input by the user must be numeric, and it must be greater than zero.
Use the following test data to determine if the application is calculating properly:
Rate Category and Minutes | Charge |
Daytime, 20 minutes Evening, 20 minutes Off-peak, 20 minutes | $ 1.40 $2.40 $ 1.00 |
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