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 310 units @ $7.70 = $ 2,387 Jan. 10 Sales 185 units @ $18.40 Jan. 20 Purchase 230 units @ $6.70 = 1,541 Jan. 25 Sales 165 units @ $18.40 Jan. 30 Purchase 350 units @ $6.20 = 2,170 Totals 890 units $ 6,098 350 units The Company uses a periodic inventory system. For specific identification, ending inventory consists of 540 units, where 350 are from the January 30 purchase, 90 are from the January 20 purchase, and 100 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 $2,700, and that the applicable income tax rate is