Use the following information to compute the material purchasing forecast for 2021: HIH produces two electronic toys: Basic Level (NB) and Advanced Level (NA) Estimated sales 2021: NB 60,000 NA 40,000 Inventories: 1-1-2021 NB 10,000 NA 4,000 X 16,000 Y 14,500 Z 3,500 12-31-2021 NB 12,500 NA 4,500 X 18,000 Y 16,000 Z 3,000 Direct materials: NB NA Unit Requirements X($ 24 / per unit of X) 2 / units X 2.5 / units X Y ($ 10/per Y unit) 4 / Y units 6 / Y units z ($ 6 / per Z unit) 0 / Z units 1/ Z unit How much is the total units of the material X that is predicted to buy? Select one: to. 101,250 b. 228,250 C. 125,000 d. 226,250