Natalie was recruited to serve as the Chief Marketing Officer (CMO) of Kappa Corporation, a privately-held company in the consumer goods sector, effective July 1, 2022. Throughout the fiscal year 2023, Kappa Corporation compensated Natalie as follows:

• Base Salary: $1,200,000
• Annual Bonus: $180,000
• Stock Options: Granted 6,500 stock options with an exercise price of $55 per share at the time of grant.

Natalie's employment contract outlines that her bonus is tied to achieving specific marketing campaign success metrics. The stock options vest over a five-year period, with 20% vesting annually beginning on the grant date.

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