Cost Flow Methods The following three identical units of Item Alpha are purchased during April: Item Alpha Units Cost Apr. 2 Purchase 1 $112 14 Purchase 1 113 28 Purchase 1 114 Total 3 $339 Average cost per unit $113 ($339 3 units) Assume that one unit is sold on April 30 for $140. 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) $ b. Last-in, first-out (LIFO) $ c. Weighted average cost