Fully developed a point-of-sale (POS) software package that will make the computer function as a cash register and keep an inventory file. The inventory file will be a database of all the books in the bookstore. In general, the software is to perform the following tasks:
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Calculate the total of a sale, including sales tax
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When a book is purchased, subtract it from the inventory file
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Add, change, delete, and look up books in the inventory file
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Display various sales reports
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Jade