Amail-order house uses 16,075 boxes a year. carrying costs are 44 cents per box a year, and ordering costs are $95. the following price schedule applies. number of boxes price per box 1,000 to 1,999 $1.45 2,000 to 4,999 1.35 5,000 to 9,999 1.25 10,000 or more 1.20 a. determine the optimal order quantity.