In the past year, customer A had submitted 364 requisitions for product a total of 910 lines' (all of them"pick-pack") while customer B had submitted Customer A kept 790 requisitions with a total of 2500 lines(all"pick-pack"). customer kept average of 350 cartons of inventory at the distribution center while customer B kept 700 on average. Customer B's average monthly inventory balance $50,000($7,000 of which had been sitting around for a whole year) while that of customer A was only $15,000. Because of the greater activity on customer B account, a shipment went out three times a week at an annual freight cost $7,500 while Customer A required only one shipment a week at an a