Sullivan Company uses the periodic inventory system. The following balances were drawn from the accounts of Sullivan Company prior to the closing process Sales revenue Beginning inventory balance Purchases Transportation in Transportation-out Purchase discounts Ending inventory balance $24,000 6,400 16,000 800 1,200 400 7,200 What is the gross margin that will be shown on the income statement Multiple Choice O $8.400 $15.600 57,200 10400