Cost Flow Methods The following three identical units of Item LO3V are purchased during April: Item Beta Units Cost April 2 Purchase 1 $77 April 15 Purchase 1 80 April 20 Purchase 1 83 Total 3 $240 Average cost per unit $80 ($240 3 units) Assume that one unit is sold on April 27 for $113. 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 method. Gross Profit Ending Inventory a. First-in, first-out (FIFO) $ 2 b. Last-in, first-out (LIFO) $fill in the blank 3 $ 4 c. Weighted average cost $