Calculate how much raw materials was used from the following information provided to you by Tortellini Corporation. $900 400 320 360 190 180 Administrative expenses Direct labor Finished goods inventory - January 1 balance Finished goods inventory - December 31 balance Manufacturing overhead Raw materials - purchases Raw materials inventory - January 1 balance Raw materials inventory - December 31 balance Revenues Selling expenses Work in process inventory - January 1 balance Work in process inventory - December 31 balance 160 170 2,600 660 270 280 Select one: O a. $270. O b. $170. c. $190. O d. $240. O e. $250