6.Estimated demand for one of the plastic ore factories in Tangerang for 6 next month in 2022 as follows:

Management considers 2 aggregate plans as follows: a. Perform variations in the number of workers according to the level of demand. Procurement fee labor Rp. 300,000 per 50 units, while the cost of reducing labor is Rp. 100,000 per 100 units. b. Maintain a steady production level with an average of 1500 units/month (to meet minimum demand) and to meet demand shortfalls by subcontracting with marginal cost of Rp. 1,000 per unit. Sub-contracting can only be carried out in a number of 500 units. Demand that cannot be met by production and subcontracting is a loss sales and costs are calculated at Rp. 10,000 per unit. c. In your opinion, as the company's operational manager, which plan should be taken by the company so that the company can make production efficiency? Explain why?

Month JULY AUGUST SEPTEMBER OCTOBER November December REQUEST 1.500 1.700 2.000 1.800 2.500 1.800