The following information is available for the year ended December 31:

Beginning raw materials inventory	$ 3,100
Raw materials purchases	4,600
Ending raw materials inventory	3,600
Direct labor expense	1,600

The amount of direct materials used in production for the year is:

Select one:

A. $4,600.

B. $7,700.

C. $4,100.

D. $4,700.