(a1) Your answer is correct. Calculate the average cost per unit at July 1,6,11,14,21&27. (Round answers to 2 decimal places, e.g. $105.50. ) Determine the ending inventory under a perpetual inventory system using (1) FIFO, (2) moving-average cost, and (3) LIFO. (Round average-cost per unit to 2 decimal places, e.g. 12.52 and final answer to 0 decimal places, e.g. 1,250.) eTextbook and Media Attempts: 0 of 3 used