Selected financial information for Brookeville Manufacturing is presented in the following table (000s omitted). Sales revenue $4,700 Purchases of direct materials $440 Direct labor S520 Manufacturing overhead $710 Operating expenses $850 Beginning raw materials inventory $270 Ending raw materials inventory $190 Beginning work in process inventory $340 Ending work in process inventory $420 Beginning finished goods inventory $270 Ending finished goods inventory $220 What was operatina income? O A. $2.330 O B. $4,050 OC. $4,700 OD. $2,870