Cost Flow Methods The following three identical units of Item Alpha are purchased during April:

Item Alpha | Units | Cost

Apr. 2 | Purchase 1 | $165

14 | Purchase 1 | $167

28 | Purchase 1 | $169

Total 3 | $501

Average cost per unit $167 ($501 3 units)

Assume that one unit is sold on April 30 for $234.

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.