Question: For the problem description below, pick out four classes that you would implement. Do not include a Driver class or a main program, although that

For the problem description below, pick out four classes that you would implement. Do not include a Driver class or a main program, although that would be necessary if you were to write the whole program. Show the class names and data (only) in UML. Include aggregation relationship(s) that exist between classes (you can use Shapes from the Insert menu to join together tables for the UML classes. Dont worry about making it pretty. Do not implement any code.

Glamazon.com sells all of their written content in three different formats: paper books, audio recordings, and software for their Glindle reader. The content has an author, title, and date. Paper books have a number of pages, a printer, an edition and a weight. Audio recordings have a download size, a URL, and a list of available formats. Glindle software has a URL, a download size, and a version (1.0, 2.0, 2.1, 2.2, or 3.0).

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