LIFO Perpetual Inventory The beginning inventory at Dunne Co. and data on purchases and sales for a three-month period are as follows: Number Date Transaction of Units Per Unit Total Apr. 3 Inventory 72 $ 150 $ 10,800 8 Purchase 144 180 25,920 11 Sale 96 500 48,000 30 Sale 60 500 30,000 May 8 Purchase 120 200 24,000 10 Sale 19 Sale 233 72 500 36,000 36 500 18,000 28 Purchase 120 220 26,400 June 5 Sale 72 525 37,800 16 Sale 96 525 50,400 21 Purchase 216 240 51,840 28 Sale 108 525 56,700