Selected financial information for Brookeville Manufacturing is presented in the following table (000s omitted). Sales revenue $4,000 Purchases of direct materials $400 Direct labor $450 Manufacturing overhead $620 Operating expenses $650 Beginning raw materials inventory $200 Ending raw materials inventory $180 Beginning work in process inventory $320 Ending work in process inventory $410 Beginning finished goods inventory $250 Ending finished goods inventory $200 What was operating income? $1, 900 $2, 530 $4,000 $3, 350