Need some help calculating cost of food sold and income tax expense.

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 360 units, where 180 are from the January 30 purchase. 80 are from the January 20 purchase, and 100 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, 500. and that the applicable income tax rate is 30%. (Do not round your Intermediate calculations.)