H&C Corporation is preparing an aggregate production plan for Opti-Mist for the next four months. The company's expected monthly demand is given in the following chart. The company will have 50 units in inventory at the beginning of the first month and wishes to maintain at least 50 units at the end of each month. Following is other critical data:

Production cost per unit = $50

Inventory carrying cost per month per unit = $10 (based on ending month inventory)

Hiring cost per worker = $300

Firing cost per worker = $200

Beginning number of workers = 16

Each worker can produce = 50 units per month.

Month	Demand	Regular production	Overtime	Ending inventory	Workers required	Hire	Fire
1	1200
2	1200
3	1500
4	1300
Total	5,200

What is the total hiring/firing cost for a level plan?

What is the total inventory carrying cost for the level plan?