its an industrial engineering course!

To develop an aggregate plan for January-June, a production manager has collected the following data Cost: (AED) Other data Inventory holding 10/unit/month Current workforce 10 workers Regular time 100/hour Labor hour/unit 4 hours Subcontract 50/unit Working days/month 25 days Hiring 500/worker Working hours/day 8 hours Firing 700/worker Month Jan Feb Mar Apr May June Total Demand 500 400 550 600 500 550 3100 Evaluate the following strategies May 500 June 550 Total 3100 a- Vary the workforce to meet exactly the demand Month Jan Feb Mar Apr Demand 500 400 550 600 # workers Production Hiring Firing b- Produce at constant rate of 500 units/month. Use subcontract when needed Jan 500 Feb 400 Mar 550 Apr 600 May 500 June 550 Total 3100 Month Demand Production Inventory Subcontract