Required information [The following information applies to the questions displayed below.] Laker Company reported the following January purchases and sales data for its only product. Date Activities Units Acquired at Cost Units sold at Retail Jan. 1 Beginning inventory 195 units @ $ 12.00 = $ 2,340 Jan. 10 Sales 155 units @ $ 21.00 Jan. 20 Purchase 120 units @ $ 11.00 = 1,320 Jan. 25 Sales 135 units @ $ 21.00 Jan. 30 Purchase 290 units @ $ 10.50 = 3,045 Totals 605 units $ 6,705 290 units The Company uses a perpetual inventory system. For specific identification, ending inventory consists of 315 units, where 290 are from the January 30 purchase, 5 are from the January 20 purchase, and 20 are from beginning inventory. Required: 1. Complete comparative income statements for the month of January for Laker Company for the four inventory methods. Assume expenses are $1,800 and that the applicable income tax rate is 40%. (Round your Intermediate calculations to 2 decimal places.