Laker Company reported the following January purchases and sales data for its only product. Laker uses a perpetual inventory system. For specific identification, ending inventory consists of 510 units, where 280 are from the January 30 purchase. 80 are from the January 20 purchase, and 150 are from beginning inventory. 1. Complete comparative income statements for the month of January for Laker Company for the four inventory methods. Assume expenses are $3,500, and that the applicable income tax rate is 35%. (Do not round your Intermediate calculations.)