Q#4 [5 points) Given the following demand forecasts, production costs, and constraints, design a production plan and calculate the cost of the production plan. Maximum regular production 100 units/month Maximum overtime production 50 units/month Maximum subcontracting 50 units/month Regular production costs $10/units Overtime production costs $25/units Subcontracting costs $35/units Inventory holding costs $5/units/month Beginning inventory 50 units Period Demand September 100 October 130 November 200 December 300 For full credit you will show ALL your work. Please use the table below to answer the question. If you choose to answer it elsewhere, please follow the exact same format as below. Period Regular Demand Overtime Sub- Production Production contracting Inventory Sept Oct Nov Dec Totals