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

Sales

$910

Raw materials, inventory, beginning

$80

Raw materials, inventory, ending

$20

Purchases of raw materials

$100

Direct labor

$130

Manufacturing overhead

$200

Administrative expenses

$160

Selling expenses

$140

Work in process inventory, beginning

$40

Work in process inventory, ending

$10

Finished goods inventory, beginning

$130

Finished goods inventory, ending

$150

8. The cost of the raw materials used in production during the year (in thousands of dollars) was

A. $180.

B. $120.

C. $160.

D. $40.