Cost Flow Methods The following three identical units of Item LO3V are purchased during April: Item Beta Units Cost April 2 Purchase 1 $203 April 15 Purchase 1 207 April 20 Purchase 1 211 Total T-- 3 $621 Average cost per unit $207 ($621 + 3 units) Assume that one unit is sold on April 27 for $257. Determine the gross profit for April and ending Inventory on April 30 using the (a) first in, first out (FIFO); (b) last first out (LF); and (c) weighted average cost method. Gross Profit Ending Inventory a. First-in, first-out (FFO) b. Last-in, first-out (LIFO) c. Weighted average cost