Appliances Inc. is preparing an aggregate production plan for washers for the next four months. The company's expected monthly demand is given below in the chart. The company will have 620 washers in inventory at the beginning of the month and desires to maintain at least that number at the end of each month. Assume hiring and layofffiring, if necessary, occur at the beginning of the month. Below is other critical data: Production cost per unit =$372 Inventory carrying cost per month per unit =$62 (based on ending month inventory) Hiring cost per worker =$1,240 Firing cost per worker =$2,480 Beginning number of workers =12 ZpictureClick here for the Excel Data File Each worker can produce 124 units per month. a. Given the planning information, develop a level production plan and a chase production plan. (Leave no cells blank - be certain to enter " 0 " wherever required.) b. Determine the cost of the two plans. Appliances Inc. is preparing an aggregate production plan for washers for the next four months. The company's expected monthly demand is given below in the chart. The company will have 620 washers in inventory at the beginning of the month and desires to maintain at least that number at the end of each month. Assume hiring and layofffiring, if necessary, occur at the beginning of the month. Below is other critical data: Production cost per unit =$372 Inventory carrying cost per month per unit =$62 (based on ending month inventory) Hiring cost per worker =$1,240 Firing cost per worker =$2,480 Beginning number of workers =12 ZpictureClick here for the Excel Data File Each worker can produce 124 units per month. a. Given the planning information, develop a level production plan and a chase production plan. (Leave no cells blank - be certain to enter " 0 " wherever required.) b. Determine the cost of the two plans