The following costs incurred in a recent period:

Manufacturing indirect labor**	$82,000
Manufacturing direct labor	175,000
Manufacturing equipment lease	27,000
Sales commissions	92,000
Manufacturing direct materials	65,000
Sales and administrative salaries	45,000
Manufacturing plant rent	50,000
Rent on headquarters building	33,000
Variable manufacturing overhead	168,000
Depreciation on production equipment	7,800
Total	$744,800
**Indirect labor is a variable cost

What was the total amount of variable costs?