Answer the followinq questions independently: Develop aggregate production plans using the following strategies. Assume that hired workers will work from the first day of the hiring quarter and laid-off workers will stop working on the first day of the quarter. (a) Variable workforce (Chase strategy) with no ending inventory except for the last quarter. (b) A stable workforce with variable work hours (assume 80 workers are used during every quarter and no hiring and firing in any quarter). Keep no ending inventory except for the last quarter. Determine the amount of reqular, overtime, and subcontract production. You must use all the overtime before you can subcontract any item. No backorder is allowed. If regular time production is not sufficient to cover the demand, first, use the overtime, and after using available overtime time, go for subcontracting (c) Which one is the better strategy in terms of cost (No explanation is required)