Doran Technologies produces a single product. Expected manufacturing costs are as follows: Variable costs Direct materials $4.00 per unit Direct labor $1.20 per unit Manufacturing overhead $0.95 per unit Fixed costs per month Depreciation Supervisor salaries Other fixed costs Required: $ 6,000 13,500 3,850 Estimate manufacturing costs for production levels of 25,000 units, 30,000 units, and 35,000 units per month. At 25,000 units At 30,000 units At 35,000 units