can you please apply aggregate planning:

1- Varying workforce size wiht approximation.

2-Subcontracting.

Safety stock is 20% of Beg. Inventory beginning inv. = 700 units Production time / unit = 1.5 hrs . Regular time cost = $3/hour . Working hours/day = 6 hrs . Over time cost = 1.5 times per regular time . Hiring cost = 150/worker . Firing cost = 200/worker Subcontracting cost = $8/unit . Holding cost = $3/period . Costs of stock out is $6 . Current number of employees = 24PROBLEM 1: Given the following information, apply the aggregate planning methods Period May June July August September Demand 6000 3000 5000 4000 6000 No. days 22 25 26 25 27