The following three identical units of Item Alpha are purchased during April: Item Alpha Units Cost Apr. 2 Purchase 1 $76 14 Purchase 1 81 28 Purchase 1 83 Total 3 $240 Average cost per unit $80 ($2403 units) Assume that one unit is sold on April 30 for $132. Determine the gross profit for April and ending inventory on April 30 using the (a) first-in, first-out (FIFO); (b) last-in, first-out (LIFO); and (c) weighted average cost methods. Gross Profit Ending Inventory a. First-in, first-out (FIFO) S 56 $ 164 b. Last-in, first-out (LIFO) S 49 c. Weighted average cost 69 52 HA A 157 160