Starting out with Java: From control structures through objects
Chapter 3
Programming Challenges
14. Internet Service provider, Part 2
Modify the program you wrote for Programming Challenge 13 so it also calculates and displays the amount of money Package A customers would save if they purchased Package B or C, and the amount of money Package B customers would save if they purchased Package C. If there would be no savings, no message should be printed.
Gaddis, Tony (2015-05-29). Starting Out with Java: From Control Structures through Objects (Page 188). Pearson Education.
Kindle Edition.
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