Yolo Windows, a manufacturer of windows for commercial buildings, reports the following account information for last year (all costs are in thousands of dollars). Information on January 1 (Beginning): Direct materials inventory Work-in-process inventory Finished goods inventory $ 36 48 656 Information for the year: Administrative costs Direct labor Direct materials purchases Factory and machine depreciation Factory supervision $ 1,440 4,240 3,280 4,640 840 Factory utilities 360 Indirect factory labor 1,120 Indirect materials and supplies 280 Marketing costs 600 Work-in-process inventory Property taxes on factory Sales revenue Information on December 31 (Ending): Direct materials inventory Finished goods inventory 112 18,160 $ 32 56 588