FIFO Perpetual Inventory The beginning inventory at Dunne Co. and data on purchases and sales for a three-month period ending June 30 are as follows: Number Date Transaction of Units Per Unit Total Apr. 3 Inventory 54 $375 $20,250 8 Purchase 108 450 48,600 11 Sale 72 1,250 90,000 30 Sale 45 1,250 56,250 May 8 Purchase 90 500 45,000 10 Sale 54 1,250 67,500 19 Sale 27 1,250 33,750 28 Purchase 90 550 49,500 June 5 Sale 54 1,315 71,010 16 Sale 72 1,315 94,680 21 Purchase 162 600 97,200 28 Sale 81 1,315 106,515