LIFO Perpetual Inventory The beginning inventory of merchandise at Keats Office Supplies and data on purchases and sales for a three-month period are as follows Number of Units 78 156 105 Date Transaction Per Unit Total $46,800 112,320 210,000 132,000 104,000 156,000 78,000 114,400 163,800 218,400 224,640 245,700 March 3 Inventory $600 720 2,000 2,000 800 2,000 2,000 880 2,100 2,100 960 2,100 8 Purchase 11 Sale 30 Sale 130 78 39 130 78 104 234 April 8 Purchase 10 Sale 19 Sale 28 Purchase May 5 Sale 16 Sale 21 Purchase 28 Sale