During $2020,$ Fresh Express Company sold $2,490$ units of its product on September $20$ and $2,950$ units on December $22,$ all at a price

of $$89$ per unit. Incurring operating expenses of $$15$ per unit sold, it began the year with and made successive purchases of the

product as follows:

Required:

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 periodic inventory costing system and prices its ending inventory on the basis of $($a$)$ FIFO and

$($b$)$ Moving weighted average: $($Round "average cost per unit" to $2$ decimal places. Do not round intermediate calculations. Round

your final answers to $2$ decimal places.$)$