1. Forecasting as the last sheets.
2. Aggregate Planning. Use the following information.
(Hint: Create the alternative choices by simulate the number of workers, find the number to produce and calculate the expenses, then find the reason to choose the right planing. )
The information of cost and expense for one production line;
• one worker can produce 10 units/day,
• wage 100 bath/day,
• OT 150 bath/day
• If it’s necessary to hire more or lay-off the workers, the expenditure for new worker is 500 bath/person and the average payment of lay-off is 1,000 bath/person.
• In case of stock the inventory. Holding cost is 25 bath per unit