A company will begin stocking remote control devices. expected monthly demand is 800 units. the controllers can be purchased from either supplier a or supplier


b. their price lists are as follows: supplier a supplier b quantity unit price quantity unit price 1–199 $14.00 1–149 $14.10 200–499 13.80 150–349 13.90 500 + 13.60 350 + 13.70 ordering cost is $40 and annual holding cost is 25 percent of unit price per unit. a-1. which supplier should be used?