The following inventory transactions happened at Scorpion Bookstore in September: Date 9/1 9/9 9/15 Description Units Cost per unit Beginning Inventory 300 $50 Purchased Inventory 1000 $55 Sale 800 calculate the following (all answers in $): a. FIFO Ending inventory b. FIFO Cost of Goods Sold c. LIFO Ending inventory d. LIFO Cost of Goods Sold e. Weighted-average Ending inventory b. Weighted-average Cost of Goods Sold