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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 unt. Inwentory hoiding cost is $25 per unit per month. Ignore any idle-time cosis. 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 $55 per unit. The cost of laying oft workers is $80 per unit. Evaluate this plan. (Enter all responses as wholo numbers.) Note: Both hiring and layoff costs are incurred in the month of the change. For examplo, going from 1,600 in January to 1, soo in Fobruary incurs a cost of layoff for too units in Fobriary. The total cost of hirings =S (Enter your response as a whole number.) The total cost of layoffs =$ (Enter your response as a whoto number.) The total inventory carrying cost =$ (Enter your response as a whole number.) The total stockout cost a $ (Enter your response as a whole number.) The total cost, excluding normal time labor costs, is =$ (Enter your response as a whole number)