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please help CIS 22A LAB 4 Write a C++ program to aid the DeAnza Bookstore in estimating its business for next quarter. Experience has shown

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CIS 22A LAB 4 Write a C++ program to aid the DeAnza Bookstore in estimating its business for next quarter. Experience has shown that sales depend on whether a book is required or suggested, and on whether it has been used as a text during a previous quarter or if this is the first time it has neen ordered by a faculty member. A new, required book l to 90% (.90) of expected enrollment, but if it has been used before only 65% of the expected enrollment will buy it. Similarly, 40% of the expected enrollment will buy a newly suggested book, but only 20% will purchase a previously suggested book. INPUT Your program is to prompt the user for -the book's 10 digit ISBN number (store as a string) the list price per copy the expected class enrollment code of R'for required text or code of'S' for suggested text code of N for a new text or code of 'O' for a text that has been used in a previous quarter CALCULATE Calculate the number of copies needed and the profit if the store pays 80% of list (use global define for this). For the number of books to order, round to the nearest whole book Use one function to calculate number of books, one function to calculate the profit, and one function to output UTPUT A sample run might look like this Sample Run Enter book number: 0755798652 Enter price per copy: 34.98 Enter expected class enrollmen: 35 Enter R' if required or 'S' if suggested: r Enter N if new or 'O if not a new text: O ISBN: 0755798652 Copies Needed: 23 Profit S 160.91 Sample Run2 Enter book number: 0755798652 Enter price per copy: 34.98 Enter expected class enrollment: 34 Enter R' if required or S if suggested: r Enter N if new or O if not a new text: O ISBN: 0755798652 Copies Needed: 22 Profit: S 153.91

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