Sit-Down Ltd manufactures chairs. Each chair requires 425 grams of plastic costing $0.34 per 10 grams. Sit-Down uses the plastic to cover the chairs. Sit-Down has budgeted production of chairs for the next four months as follows: Units March 3,500 April 4,400 May 4,900 June 6,300 Inventory policy requires that sufficent plastic be in ending monthly inventory to satisfy 20 percent of the following month's production needs. The inventory of plastic at the beginning of March equals exactly the amount needed to satisfy the inventory policy. The materials to be purchased (grams) for March is a. 2,201,500 b. 1,912,500 c. 1,564,000 d. 2,000,000