You manage a $6 million portfolio has a beta of 1.2 and an expected return of 14.3% per year. You intend to invest an additional $1 million in the portfolio so that the expected return increases to 14.7% per year. If the risk-free interest rate is 4.3% per year, what does the beta of the new investment need to be? 1) 1.62 2) 1.54 3) 1.47 4) 1.73 5) 1.39