Selected financial information for Shadyside Manufacturing is presented in the following table (000s omitted). Sales revenue Purchases of direct materials $4,300 $470 Direct labor Manufacturing overhead Operating expenses Beginning raw materials inventory Ending raw materials inventory Beginning work in process inventory Ending work in process inventory Beginning finished goods inventory $530 $660 $740 $210 $220 $400 $480 $260 Ending finished goods inventory $230 What was the cost of direct materials used?