Answer:
Total cost $2160
Explanation:
Lot for lot production means the manufacturer produces the items only when it recieves the order. He doesn't make anything extra for the inventory. Even though he is certain that he will get the order, he will start manufacturing only when he recieves the order.
So Holding cost = 0 (since no inventory)
Set up cost for one time = $ 180
No of orders in a year = 12 (once a month)
Total set up cost = 18*12 = 2160$
Total cost = 2160 + 0 = $2160