Problem 13.23 (additional/static) Question Help 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). i More Info Regular Time Demand Production Inventory Increase (Units)Decrease (Units) 400 500 UL Costs Holding cost Subcontracting Regular-time labor Overtime labor 550 $B/ refrigeratori month $BO/ refrigerator $12/ hour $18/ hour for hours above 8 hours' workeri day $40/ refrigerator $80/refrigerator none Hiring cost Layoff cost Stockout cost Other Data Current workforce (December) Labor hoursrefrigerator Workdays/ month Beginning inventory Units demanded in December 8 people 4 hours 20 days 250 refrigerators 320 refrigerators Month Demand Forecast 400 500 January February March April May June 550 700 800 700