Purchases - Units and Unit Costs Sales - Total Units October 1 Balance 100 @ 5.00 October 300 400 300 @ @ 5.10 5.30 200 @ 5.35 600 @ 5.60 200 @ 5.80 Instructions (a)Determine the inventory at October 30 on each 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 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 (C) Using the results from (b) determine Gross Profit (1) and (2)