Chapter 12, problem 13 A mail-order house uses 18,000 boxes a year. Carrying costs are 60 cents per box a year, and ordering costs are $96. The following price schedule a applies Number of Boxes Price per Box 1,000 to 1,999 $1.25 2,000 to 4,999 1.20 5,000 to 9,999 1.15 10,000 or more 1.10 What is the optimal order quantity? 5000 QUESTION 9 Chapter 12. problem 13 A mail-order house uses 18,000 boxes a year. Carrying costs are 60 cents per box a year, and ordering costs are $96. The following price schedule applies Number of Boxes Price per Box 1,000 to 1,999 $1.25 2,000 to 4.999 1.20 5,000 to 9.999 1.15 10,000 or more 1.10 What is the lowest annual total cost of these boxes