how do I do this?

Sheffield Company's record of transactions concerning part X for the month of April was as follows. Purchases Sales April 1 (balance on hand) 360 @ $6.70 April 5 560 4 660 6.80 12 460 11 560 @ 7.10 27 1,320 18 460 B) 720 28 150 26 860 @ 7.50 30 460 @ 7.80 (a1) Your answer is correct, Calculate average-cost per unit. Assume that per petua inventory records are kept in units only (Round answer to 4 decimal places, eg. 2.7682.) Aneese-cost per unit 712101 Your answer is correct. Compute the inventory at April 30 on each of the following bases. Assume that perpetual inventory records are kept in units only. (1) First-in, first-out (FIFO).(2) Last-in, first-out (LIFO). (3) Average-cost. (Round final answers to O decimal places, eg. 6,548.) (1) FIFO (2) LIFO (3) Average-cost Ending Inventory $ 6663 $ 5880 $ 6273 e Textbook and Media Attempts: 1 of 5 used Question Part Score 6/6 (b) If the perpetual inventory record is kept in dollars, and costs are computed at the time of each withdrawal, what amount would be shown as ending inventory under (1) FIFO. (2) LIFO and (3) Average cost? (Round average cost per unit to 4 decimal places, eg. 2.7621 and final answers to decimal places, eg. 6,548.) (1) FIFO (2) LIFO Average-cost S Ending Inventory