Sheridan Center began operations on July 1. It uses a perpetual inventory system. During July, the company purchases and sales. Purchases Date Units Unit Cost Sales Units July 1 9 $70 July 6 July 11 $78 July 14 5 July 21 7 $85 July 27 Calculate weighted-average unit cost. (Round answers to 3 decimal places, e.g. 15.251.) July 1 $ +A A "A $ July 6 July 11 July 14 July 21 A 70 70 75 15 75 82 82 July 27 $ 82 32 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 3 decimal places, eg. 15.251 and ending inventory values to O decimal places, e.g. 515.) FIFO MOVING-AVERAGE Ending inventory $ $ LIFO