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

Sales

$930

Raw materials inventory, beginning

$70

Raw materials inventory, ending

$40

Purchases of raw materials

$190

Direct labor

$150

Manufacturing overhead

$210

Administrative expenses

$90

Selling expenses

$120

Work in process inventory, beginning

$80

Work in process inventory, ending

$70

Finished goods inventory, beginning

$90

Finished goods inventory, ending

$140

Manufacturing overhead

$210

Administrative expenses

$90

Selling expenses

$120

Work in process inventory, beginning

$80

Work in process inventory, ending

$70

The cost of the raw materials used in production during the year (in thousands of

dollars) was:

A) $230

B) $220

C) $160

D) $260