30 per unit per month, and zero beginning and ending inventory, evaluate the following plan on an incremental cost basis: is whole numbers.) Vote: Both hiring and layoff costs are incurred in the month of the change (i.e., going from production of 1,300 in July to 1300 in August requires a layoff (and related costs) of 0 units in August). The total cost of hirings is computed as follows: Total hiring cost = Total units hired Cost of hiring additional workers per unit. The total hiring cost =$24,000. (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 layoff cost =$12,000. (Enter your response as a whole number.) Total inventory carrying cost = Total ending inventory units Inventory holding cost per unit. The total inventory carrying cost =$ (Enter your response as a whole number.) Total stockout cost = Total units short Lost sales cost per unit. The total stockout cost =$75,000. (Enter your response as a whole number.) The total cost, excluding normal time labor costs, for Plan B =$. (Enter your response as a whole number.)