Cost Flow Methods The following three identical units of Item 3Co7 are purchased during April: Item JC07 Units Cost April 2 April 14 April 28 Total Average cost per unit Assume that one unit is sold on April 30 for $367. 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. 1 $267 Purchase Purchase Purchase 270 273 3$810 $270 ($810+3 units) Gross Profit Ending Inventory a. First-in, first-out (FIFO) b. Last-in, first-out (LIFO) c. Weighted average cost S[ 0