Het operasions 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 525 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 quantly demanded in the pnor month. The December demand and fate 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 $75 per unit. Evaluate this plan. (Enter all responses as whole numbers.) Note: Both hiring and layoff costs ave incurred in the month of the change. For example, going from 1,600 in January to 1,200 in Fobruary incurs a cost of layoff for 400 units in Fobruary The total cost of hirings =$ (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.)