WEBG Spider-Man: New 22 of 22 The following three identical units of item ABC are purchased during July Item ABC Units Cost July -Purchase 1 531 16 Purchase 1 44 27 Purchase 1 57 Total 4 S12 Average cost per un S4132 units Assume that one unit is sold on July 30 for $62. Determine the gross profit for July and ending inventory on my 31 sing the stin, first out fro) method O Gross profit - $31; ending inventory - $101 b. Gross profit= 531: ending inventory $88 Oc. Gross profit = $18: ending inventory = $88 O d. Gross profit = $5: ending inventory - $75