Show Me HowCaloulator eBook Cost Flow Methods The following three identical units of Item LO3V are purchased during Apni: Item Beta Units Cost $138 Purchase April 2 139 April 15 Purchase 140 Purchase$417 April 20 Total $139 (417+3 units) Average cost per unit Assume that one unit is sold on April 27 for $196. 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. Ending Inventory Gross Profit a. First-in, first-out (FIFO) b. Last-in, first-out (LIFO) c. Weighted average cost