A small publishing company is planning to publish a new book. The production costs will include one-time fixed costs (such as editing) and variable costs (such as printing). There are two production methods it could use. With one method, the one-time fixed costs will total $ 60,346 , and the variable costs will be $ 10.50 per book. With the other method, the one-time fixed costs will total $ 18,682 , and the variable costs will be $ 21 per book. For how many books produced will the costs from the two methods be the same? books