A portfolio consists of N shares of Stock A and M shares of Stock B. Neither stock pays dividends. At the beginning of last year, the price per share for Stock A was 100 and the price per share for Stock B was 150. The overall value of the portfolio was 16,500. At the end of last year, the price per share for Stock A was 89 and the price per share for Stock B was 171. At the end of the year, shares of Stock A represented 30.85% of the overall value of the portfolio. Find the realized annual return for the portfolio during the previous year. 4.52% 3.34% 4.91% 3.73% 4.12%