During 2017 , Fresh Express Company sold 2,540 units of its product on September 20 and 3,200 units on December 22 , all at a price of $ 94 per unit . Incurring operating expenses of $ 18 per unit sold , it began the year with and made successive purchases of the product as follows : January 1 beginning inventory 640 units @ $ 39 per unit Purchases : February 20 1,540 units @ $ 41 per unit May 16 740 units @ $ 45 per unit December 11 3,340 units @ $ 46 per unit Total 6,260 units Prepare a comparative income statement for the company , showing in adjacent columns the profits earned from the sale of the product , assuming the company uses a perpetual inventory system and prices its ending inventory on the basis of ( a ) FIFO and ( b ) Moving weighted average : ( Round " Cost per unit " to 2 decimal places . Round your intermediate calculations and final answers to 2 decimal places . )