Park Company reported the following March purchases and sales data for its only product.
Park uses a perpetual inventory system. For specific identification, ending inventory consists of 360 units, where 180 are from the March 30 purchase, 80 are from the March 20 purchase, and 100 are from beginning inventory.
Complete comparative income statements for the month of March for Park Company for the four inventory methods. Assume expenses are $2,500, and that the applicable income tax rate is 30%.