Answer:
Cost of goods sold in the 2021 income statement = $2,240,000
Explanation:
Cost of goods sold in the 2021 income statement = Cost of goods sold account balance from sales trnsaction recorded + ending balance in LIFO Reserve account - Begining balance in LIFO Reserve account
Cost of goods sold in the 2021 income statement = $2,100,000 + $420,000 - $280,000
Cost of goods sold in the 2021 income statement = $2,240,000