A portfolio consists of three stocks. There are 540 shares of Stock A valued at $24.20 share, 310 shares of Stock B valued at $48.10 a share, and 200 shares of Stock C priced at $26.50 a share. Stocks A, B, and C are expected to return 8.3 percent, 16.4 percent, and 11.7 percent, respectively. What is the expected return on this portfolio?

11.87%

12.47%

12.78%

11.67%

12.50%