Cost Flow Methods The following three identical units of Item PX2T are purchased during April: Item Beta Units Cost April 2 Purchase 1 $170 April 15 Purchase 1 171 April 20 Purchase 1 172 Total 3 $513 Average cost per unit $171 ($513 + 3 units) Assume that one unit is sold on April 27 for $246. 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) II $ b. Last-in, first-out (LIFO) $ $ c. Weighted average cost $ $