10. You have four assets in your portfolio. Asset A is a common stock that has a beta of 89. Asset B is a common stock that has a beta of 1.43. You also have a risk-free asset in your portfolio. Finally, you have an ETF that exactly follows the market. If you have $12,000, $8,000, $15,000, and $3,000 in Assets A, B, the risk-free, and the market ETF, what is the beta of your portfolio? a. .66 b. .58 .98 d. .53 c