Cost Flow Methods The following three identical units of Item 3C07 are purchased during April: April 2 April 15 April 201 Total Item Beta Units Cost Purchase 1 $133 Purchase 1 1341 Purchase 1 135 3 $402 Average cost per unit $134 ($402 + 3 units) Assume that one unit is sold on April 27 for $166. 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) b. Last-in, first-out (LIFO) c. Weighted average cost