need help with Fifo Lifo and Moving average

Coronado Industries 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 6 $65 July 6 July 11 $70 July 14 July 21 $75 July 27 3 5 Calculate average cost for each unit. (For calculation and answers purpose round unit costs to 2 decimal places, eg 15.25) July 1 $ 65 July 6 $ 65 July 11 $ 68 July 14 68 July 21 73 July 27 73 $ $ $ 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 O decimal places, e.g. 515) FIFO MOVING-AVERAGE LIFO The ending inventory under a perpetual inventory system 520 $ 438 $