Purchases Units and Unit Costs Sales Total Units 5.00 O October Balance 100 (a October 5 300 S.102040 400 4 (a 12 200 300 5.30 11 27 800 18 200 5.35 (a 28 150 5.60 35GO 26 600 a 30 5.80 GO 200 Instructions ROO (a)Determine the inventory at October 30 on cach of the following bases and Cost of Goods Sold. Assume that periodic (without withdrawal) inventory records are kept in dollars. Carry unit costs to the Putnes Enc nearest cent. (1) FIFO (2)LIFO (3)Average (b) If the perpetual inventory record is kept in dollars, and costs are computed at the time of each withdrawal (perpetual), what amount would be shown as ending inventory and Cost of Goods Sold in (1) and (2)? (1)FIFO (2)LIFO