ABC Company reported the following information for 2021: 1. Assets at January 1, 2021 were equal to $500,000 2. Assets at December 31, 2021 were equal to $600,000 3. Liabilities at December 31, 2021 were equal to $200,000 4. The return on investment (ROI) for 2021 was 7% 5. The return on equity (ROE) for 2021 was 16% Using the above information, calculate ABC Company's total stockholders equity at January 1, 2021. Do not Use decimals in your