Nancy has a corporation that has revenue of $800,000 per year. She takes a salary of $200,000 per year and the corporation has total other expenses of $500,000 per year. Corporate net income before tax is $100,000. Nancy earns interest income of $40,000 per year on a bank savings account and she has itemized deductions of $40,000. There is no state income tax. Ignore the impact of payroll taxes, when answering the following questions. Also ignore the 20% deduction related to qualified business income.

If Nancy operates the business as an S corporation, what it the basis of her stock at the end of 2019, assuming Nancy invested $500,000 to start the company on January 1, 2019?