(2) A company produced 1000 units in the previous quarter. Demand over the next four quarters is estimated to be 1000,700,1200 and 900. Currently, it has 600 units inventory on hand. (a) If the company applies a chase strategy, how much should it produce for each quarter? What is the inventory level at the end of each quarter? (b) If it applies a chase strategy, how much should it produce for each quarter? How many units of change in production (by hiring or laying off) are needed for each quarter? (c) If it applies a mixed strategy: using a regular workforce producing 800 units per quarter, the remaining part is met by overtime, how much should be produced by the overtime for each quarter