Homework: Chapter 13 Aggregate Planning and S&OP Save Score: 0.51 of 1 pt 11 of 15 (15 complete) HW Score: 96.76%, 14.51 of 15 pts %x Problem 13.3 Question Help The president of Hill Enterprises, Terri Hill, projects the firm's aggregate demand requirements over the next 8 months as follows: January 1,200 May 2,100 February 1,500 June 2,200 March 1,800 July 1,900 1,800 August 1,900 April Her operations manager is considering a new plan, which begins in January with 200 units of inventory on hand. Stockout cost of lost sales is $100 per unit. Inventory holding cost is $20 per unit per month. Ignore any idle-time costs. The plan is called plan A. Plan A: Vary the workforce level to execute a strategy that produces the quantity demanded in the prior month. The December demand and rate of production are both 1,600 units per month. The cost of hiring additional workers is $50 per unit. The cost of laying off workers is $80 per unit. Evaluate this plan. (Enter all responses as whole numbers.) Note: Both hiring and layoff costs are incurred in the month of the change. For example. aoina from 1.600 in Januarv to 1.200 in Februarv incurs a cost of lavoff for 400 units in February. Hire (Units) Layoff (Units) Ending Inventory 200 Stockouts (Units) Demand 1,600 1,200 Period Month 0 December 1 January 2 February 3 March 4 April 5 May 6 June 7 July 8 August 1,500 1,800 1,800 2,100 2,200 1,900 1,900 Production 1,600 1,600 1,200 1,500 1,800 1,800 2,100 2,200 1,900 The total cost of hirings = $ (Enter your response as a whole number.) The total cost of layoffs = $ (Enter your response as a whole number.) The total inventory carrying cost = (Enter your response as a whole number.) The total stockout cost = $ (Enter your response as a whole number.) The total cost, excluding normal time labor costs, is = $ (Enter your response as a whole number.)