Problem 6-9A Shamrock, Inc. 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 12 $103 July 6 8 July 11 5 $110 July 14 5 July 21 7 $118 July 27 5 Calculate average cost for each unit. (For calculation and answers purpose round unit costs to 2 decimal places, e.g. 15.25.) July 1 $ July 6 $ July 11 $ July 14 $ July 21 $ July 27 $ SHOW LIST OF ACCOUNTS LINK TO TEXT 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 0 decimal places, e.g. 515.) FIFO MOVING-AVERAGE LIFO The ending inventory under a perpetual inventory system $ $ $ SHOW LIST OF ACCOUNTS LINK TO TEXT Which costing method produces the highest ending inventory valuation? method produces the highest ending inventory valuation.