Question 15 10 points Save Answer You hold a portfolio that has an expected return of 9.25% and a value of $85,000. You are in the process of buying 1,500 shares of XYZ Corp at $10 a share and adding it to your portfolio. XYZ has an expected return of 12.75%. What is the expected return on the portfolio after the purchase of XYZ stock? Do not round your intermediate calculations. O a. 9.78% O b.9.25% O c. 9.05% O d. 8.85%