Sheffield Corp. began operations on July 1. It uses a perpetual inventory system. During July, the company had the following purchases and sales Purchases Date Units Unit Cost Sales Units July 1 9 $70 July 6 6 July 11 5 $78 July 14 5 July 21 7 $85 July 27 6 Determine the ending inventory under a perpetual inventory system using (1) FIFO (2) moving-average, and (3) LIFO. (For calculation and answers purpose round unit costs to 2 decimal places, e.g. 15.25 and ending inventory values to decimal places, eg. 515.) FIFO MOVING-AVERAGE LIFO The ending Inventory under a perpetual inventory system $ 340 310.66 450