You hold a portfolio that has an expected return of 8.45% and a value of $85,000. You are in the process of buying 1,500 shares of BBB Corp at $10 a share and adding it to your portfolio. BBB has an expected return of 12.45%. What is the expected return on the portfolio after the purchase of BBB stock? Do not round your intermediate calculations. a. 9.05% b. 9.98% c. 9.25% d. 8.85% e. 10.27%