The following data (in thousands of dollars) have been taken from the accounting records of Karling Corporation for the year just ended.

Direct labour	$990
Direct materials used	$90
Rent on factory building	$70
Depreciation on cars used by sales staff	$120
Depreciation on corporate jet	$200
Salary of factory janitor	$230
Rent on sales facility expenses	$150
Insurance on factory building	$140
Work-in-process inventory, beginning	$70
Work-in-process inventory, ending	$50
Depreciation on machines in factory	$220
Salary of sales staff	$160

What is overhead for the year?

A- 660 B-420 C-620 D-510