company is interested in developing a quarterly aggregate production plan but they are not sure if a level strategy with backorders or a chase strategy would be better. they have the following information available regarding their production​ operation: hiring workers ​$40 per unit layoff workers ​$80 per unit inventory holding cost ​$40 per unit per quarter stockout cost for backorders ​$150 per unit production​ (labor) cost ​$30 per unit subcontracting cost ​$60 per unit previous​ quarter's production 1300 units beginning inventoy 0 units quarter forecasts are​ 2000, 6000,​ 4000, 5000, respectively. this problem has 5 questions. suppose that you want to use a level plan with backorders​ (one that produces at the average demand over the four​ quarters). answer the next two questions using this plan. do not round your intermediate calculations. round your final answer to the nearest whole number