Refrigeration Corp. needs an aggregate plan for January through June for its refrigerator production. The company has developed the following data: Click the icon to view the company's data. Consider the two following strategies. a) Plan A: Vary the workforce so that production meets the forecasted demand (maintain inventory at 250 units). Bell had eight employees on staff in December. Part-time labor is available. Complete the following table (enter your responses as whole numbers) Regular Time Ending Inventory Increase (Units) Period Production Decrease (Units) Demand 400 500 Jan Feb Mar Apr 550 OOOOOO 00000 May 800 June Costs Holding cost Subcontracting Regular-time labor Overtime labor $8/ refrigerator month $80/ refrigerator $12/ hour $18/ hour for hours above 8 hours/ workerl day $40/ refrigerator $80/refrigerator none Hiring cost Layoff cost Stockout cost Other Data Current workforce (December) Labor hours/ refrigerator Workdays/ month Beginning inventory Units demanded in December 8 people 4 hours 20 days 250 refrigerators 320 refrigerators Other Data Current workforce (December) Labor hours/ refrigerator Workdays/ month Beginning inventory Units demanded in December 8 people 4 hours 20 days 250 refrigerators 320 refrigerators