calculate net income earned that year

Balance Jan 1, 2019 Balancd Dec 31, 2019 Assets $ 20,000 $ 35,000 Liabilities Net Income $ 40,000 $ 20,000 Balance Jan 1, 2019 Balancd Dec 31, 2019 $ $ Assets 50,000 35,000 Liabilities Net Income $ 20,000 $ 50,000