Question: A manufacturing firm would like to develop an aggregate plan for the next quarter. Data related to the demand, capacity and cost are shown below.
A manufacturing firm would like to develop an aggregate plan for the next quarter. Data related to the demand, capacity and cost are shown below.
| Months | Jan | Feb | March |
| Demand | 800 | 1000 | 900 |
| Capacity | |||
| Regular | 700 | 700 | 700 |
| Subcontracting | 150 | 150 | 150 |
| Overtime | 100 | 100 | 100 |
| Start inventory | 0 |
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Regular time cost = Rs. 1000/unit, Overtime cost=Rs. 1200/unit, Subcontracting cost = Rs. 1500/unit, Inventory carrying cost = Rs. 50/unit per month. Solve this aggregate planning problem to minimize the total cost.
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