The following data (in thousands of dollars) have been taken from the accounting records of Karling Corporation for the just completed year. Sales $990 Raw materials inventory, beginning $40 Raw materials inventory, ending $70 Purchases of raw materials $120 Direct labour $200 Manufacturing overhead $230 Administrative expenses $150 Selling expenses $140 Work in process inventory. $70 beginning Work in process inventory, $50 ending Finished goods inventory, $120 beginning Finished goods inventory, ending $160 The cost of the raw materials used in production during the year (in thousands of dollars) was Main Cont Activate Windows