The UMD bookstore expects to sell about $9,000$ books in management area next year. We understand the annual camying cost is currently $$16$ per title. Every time when the bookstore needs to order a book, it must spend $$75$ for transportation. We assume that the bookstore opens $300$ days a year.

How many times per year does the store reorder?

$30$

$31$

None of the above

$16$

$62$