Cashion Company produces chemical mixtures for Veterinary pharmaceutical companies. Its factory has four mixing lines that mix various powdered chemicals together according to specified formulas. Each line can produce upto 5,000 barrels per year. Each line has one supervisor who is paid $34,000 per year. Depreciation on equipment averages $16,000 per year. Direct materials and power cost about $4.50 per unit.

1. Prepare a graph for each of these three costs: equipment depreciation, supervisors' wages and direct material and power. Use the vertical axis for cost and the horizontal axis for units (barrels), Assume that sales range from 0 to 20,000 units.

2. Assume that normal operating range for the company is 16,000 to 19,000 units per year, How would you classify each of the three types of cost?