The following information is provided for Sabatino Inc., about one of its inventory items: Date Item Number of Units Cost per Unit 1/1 Beginning Inventory 400 $3,200 16/5 Purchase 800 $3,600 10/9 Purchase 1,200 $4,000 12/1 Purchase 800 $4,200 During the year, Sabatino sold 3,000 units. What was cost of goods sold using the LIFO cost flow assumption? O a. $11,550,000 O b. $11,480,000 O c. $11,590,000 O d. $11,680,000