Laker Company reported the following January purchases and sales data for its only product. The Company uses a perpetual inventory system For specific identification, ending inventory consists of 420 units where 220 are from the January 30 purchase, 80 are from the January 20 purchase and 120 are from beginning inventory. Complete comparative income statements for the month of January for Laker Company for the four inventory methods Assume expenses are $2, 900 and that the applicable income tax rate is 35%. (Do not round your Intermediate calculations.)