Incremental Costs

The Benson Company has collected the follwing production cost data:

Production

	0 Units	10 Units	20 Units
Depreciation	$1000	$1000	$1000
Supplies	0	800	1600
Property Taxes	500	500	500
Labor	0	2000	4000
Materials	0	3000	6000

In addition, the company has found that repair and maintenance expense follows the following stepbehavior:

Production	Repair and Maintenance Expense
0-5 units	$400
6-10 units	800
11-15 units	1200
16-20 units	1600

Required:

What would be the incremental production costs for an additional 10 units after the Benson Company has produced 8 units? (Explain each step and calculation)