Parker was appointed as the Chief Human Resources Officer (CHRO) of Epsilon Corporation, a privately-held company in the automotive industry, starting June 1, 2022. Throughout the fiscal year 2023, Epsilon Corporation compensated Parker with the following:

• Base Salary: $800,000
• Annual Bonus: $100,000
• Stock Options: Granted 5,000 stock options with an exercise price of $70 per share at the grant date.

Parker's employment contract stipulates that his bonus is based on achieving specific employee engagement and retention goals. The stock options vest over a four-year period, with 25% vesting annually starting from the grant date.

Determine the deductible portion of Parker's compensation on Epsilon Corporation's 2023 corporate income tax return.