=+trucks; and his workers. He is trying to decide how many mixer trucks to purchase. He has estimated the costs shown in the accompanying table based on estimates of the number of orders his company will receive per week.

ve Quantity 20 40 60 oftrucks = FC orders orders _— orders 2 $6,000 | $2,000 | $5,000 | $12,000 3 7,000 | 1,800 | 3,800 | 10,800 4 8,000 | 1,200 | 3,600 | 8,400