For Exercises 15 through 28, use the incremental development methodology to implement th...

For Exercises 15 through 28, use the incremental development methodology to implement the program. Design a visually appealing GUI with Swing components and layout managers. For each exercise, identify the program tasks, create a design document with class descriptions, and draw the program diagram. Map out the development steps at the start. Present any design alternatives and justify your selection. Be sure to perform adequate testing at the end of each development step.

Update the rental point-tracking system to support a new rental system and point-awarding rules for Espresso’s Dynamo Mopeds. Now the customers can rent only on an hourly basis, and the points are awarded accordingly. Upon rental, the customer will state the number of hours he or she will rent in increments of 1 hour with a maximum of 10 hours. The rental fee is based on the following formula: