Sheffield Corp. had the following assets and liabilities on the dates indicated. December 31 2019 2020 Total Assets $495,000 $575,000 $705,000 Total Liabilities $339,000 $389,000 $489,000 2021 Sheffield began business on January 1, 2019, with an investment of $94,000 from stockholders. From an analysis of the change in stockholders' equity during the year, compute the net income (or loss) for: (a) 2019, assuming Sheffield paid $20,000 in dividends for the year. Net income (loss) for 2019 $ (b) 2020, assuming stockholders made an additional investment of $40,000 and Sheffield paid no dividends in 2020. Net income (loss) for 2020 (c) 2021, assuming stockholders made an additional investment of $16,000 and Sheffield paid dividends of $20,000 in 2021. Net income (loss) for 2021 $ e Textbook and Media