Her operations manager is considering a new plan, which begins in January with 200 units of inventary on hand. Stockout cost of lost sales is $125 per unt inventery holding cost is $20 per unit month lignore any idie-time costs. The plan is called plan A. Plan A: Vary the workforce level to execule a strategy that produces the quantiy demanded in the prior month. The Decamber demand and rate of production are both 1,600 unis per month. The cont of hiring additional workers is $55 per unit. The cost of laying off workers is $75 per unit. Evaluato this plan (Entor af responses as whole numbers.) Note: Eoth hiving and layoff costh are incurred in the month of the change. For example, going from 1,600 in January to 1,200 in Fotvuary incurs a cast of ibyorf for 400 unts in February The total cost of hirings =$ (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 wholo number.)