Tamarisk, 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 11 $70 July 6 8 July 11 7 $80 July 14 7 July 21 9 $85 July 27 8 Calculate average cost for each unit. (For calculation and answers purpose round unit costs to 2 decimal places, e.g. 15.25.) July 1 $ $ 70 July 6 $ $ 70 July 11 $ $ 77 July 14 $ 77 July 21 $ $ 83 July 27 $ 83 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 $ $ $