Three identical units of merchandise were purchased during July, as follows Units Cost July 3 Purchase 1 $37 10 Purchase 40 26 Purchase 1 43 Tutal 3 $120 Average cost per unit $40 Spider-Man No W Assume one unit ses on July 25 for $56 Determine the gross profs, cost of merchandise sond, and ending inventory on July 31 using the (a) tin, tout (3) last-first-out, and (c) weighted average-co flow methods a. First in, tout b. Cast-in, Best-out Weighted average Gross Profit Cost of Merchandise Sold 1000 Ending Inventory