Use provided Inventory spreadsheets for each method. Laker Company reported the following January purchases and sales data for its only product. Activities Units sold at Retail Date Units Acquired at Cost Jan. 1 Beginning inventory 200 units @ $7.00 = $1,400 Jan. 10 Sales 160 units @ $18.00 $2,880 Jan. 20 Purchase 150 units @$6.80 1,020 Jan. 25 Sales 100 units @$18.00 $1,800 Jan. 30 Purchase 160 units @$5.90 944 510 units $3.364 260 units $4.680 Laker uses a perpetual inventory system. Determine the cost assigned to cost of goods sold using weighted average, FIFO, and LIFO