8/9 i dont understand

Manufacturing Company's accounting records reflect the following inventories: Dec 31, 2011 Dec 31, 2010 $260.000 Raw materials inventory $310,000 Work in process inventory 300,000 160,000 Finished goods inventory 190,000 150,000 During 2011, 5400,000 of raw materials were purchased, direct labor costs amounted to 300,000, and manufacturing overhead incurred was $480,000. The total raw materials available for use during 2011 for Dolan Manufacturing Company is a. $710,000 b. $260,000. c. $350,000 d. $660,000. 9. Dolan Manufacturing Company's accounting records reflect the following inventories: Dec 31, 2011 Dec 31, 2010 Raw materials inventory $310,000 $260,000 Work in process inventory 300,000 160,000 Finished goods inventory 190,000 150,000 During 2011, $400,000 of raw materials were purchased, direct labor costs amounted to $500,000, and manufacturing overhead incurred was $480,000. Dolan Manufacturing Company's total manufacturing costs incurred in 2011 amounted to 1 a. $1,330,000. 8 . $1,290,000. c. $1,190,000. d. $1,380,000. V