LIFO Perpetual Inventory The beginning inventory of merchandise at Dunne Co. and data on purchases and sales for a three-month period ending June 30 are as follows: Date Transaction Number of Units Per Unit Total Apr. 3 Inventory 60 $450 $27,000 8 Purchase 120 540 64,800 11 Sale 80 1,500 120,000 30 Sale 50 1,500 75,000 May 8 Purchase 100 600 60,000 10 Sale 60 1,500 90,000 19 Sale 30 1,500 45,000 28 Purchase 100 660 66,000 June 5 Sale 60 1,575 94,500 16 Sale 80 1,575 126,000 21 Purchase 180 720 129,600 28 Sale 90 1,575 141,750