\

How do i solve this?

Beginning raw materials inventory Ending raw materials inventory Direct labor Operating expenses Purchases of direct materials Beginning work in process inventory Ending work in process inventory Sales revenue Manufacturing overhead Beginning finished goods inventory Ending finished goods inventory What was operating income? O A. $3,780 O B. $2,380 O C. $4,500 OD. $2,960 $390 $220 $420 $700 $360 $320 $620 $4,500 $730 $330 $290