Cost Flow Methods The following three identical units of Item 3C07 are purchased during April: April 2 April 15 April 20 Total Average cost per unit Item Beta Units Cost Purchase L $151 Purchase Purchase 1 155 159 3 $465 $155 ($465+3) Assume that one unit is sold on April 27 for $223. Determine the gross profit for April and ending invertory on April 30 using the (a) first in, fint out (0); (b) last in, first-out (uro); and (c) weighted average cost method Gross Profit Ending Inventory a. First in, first out (FIFO) b. Last-in, first-out (LIFO) c. Weighted average cost