=+The beginning inventory at Thoreau Office Supplies and data on purchases and sales for a three-month period are as follows:

Number Per Date Transaction of Units Unit Total Jan. 1 Inventory 75 $20 $1,500 10 Purchase 200 21 4,200 28 Sale 100 40 4,000 30 Sale 110 40 4,400 Feb. 5 Sale 20 44 880 10 Purchase 120 22 2,640 16 Sale 90 42 3,780 28 Sale 50 45 2,250 Mar. 5 Purchase 175 24 4,200 14 Sale 120 50 6,000 25 Purchase 150 25 3,750 30 Sale 100 50 5,000 Instructions 1. Record the inventory, purchases, and cost of merchandise sold data in a perpetual inventory record similar to the one illustrated in Exhibit 3, using the first-in, firstout method.