​(EOQ calculations​) A downtown bookstore is trying to determine the optimal order quantity for a popular novel just pri

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​(EOQ calculations​) A downtown bookstore is trying to determine
the optimal order quantity for a popular novel just printed in
paperback. The store feels that the book will sell at four times
its hardback figures. It​ would, therefore, sell approximately
4,000 copies in the next year at a price of​ $1.50. The store buys
the book at a wholesale figure of​ $1. Costs for carrying the book
are estimated at ​$0.20 a copy per​ year, and it costs ​$30 to
order more books.
a. Determine the EOQ.
b. What would be the total costs for ordering the books​ 1, 4,​
5, 10, and 15 times a​ year?
c. What questionable assumptions are being made by the EOQ
​model?