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Purchases of Inventory ales nits Purchase Total Cost Units Per unit Total Periodic Perpetual Date Transaction purchased Price of purchase Sold Sales Sales 5-Jan Purchase 8-Jan Purchase 9-Jan Purchase $10 150 80 50 $1,500 960 550 FIFO LIFO Average 10-Jan 1 90 60 1,260 900 FIFO LIFO Average 14 12-Jan Purchase 13-Jan Purchase 2 14-Jan 18-Jan Purchase 20-Jan FIFO LIFO Average 2 13 50 485 $5,885 415 8890