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 pet 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 $80 per unit. Evaluate this plan. (Enter all responses as whole numbers.) Note: Both hiring and layoff costs are incurred in the month of the change. For example, going from 1,600 in January fo 1,400 in February incurs a cost of layoff for 200 units in Fobruary, The total inventory carrying cost is computed as follows: Total inventory carrying cost = Total ending inventory units (not including December) Inventory holding cost per unit. The total inventory carrying cost =$ (Enter your response as a whole number.) The total stockout cost is computed as follows: Total stockout cost = Total units short Lost sales cost per unit. 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.) The total cost of hirings is computed as follows: Total hiring cost = Total units hired Cost of hiring additional workers per unit. Total hiring cost =$ (Enter your response as a whole number.) The total cost of layoffs is computed as follows: Total layoff cost = Total units laid off Cost of laying off workers per unit. The total cost of layoffs =$ (Enter your response as a whole number.)