If the risk-free rate is 6% and the expected return of the market is 10%, what is the expected return of a portfolio that has $3000 invested in an index fund that has the same risk as the market, $2000 invested in a stock with a beta of 1.8, and $5000 invested in treasury bills? 13,5% 0 12.6% 10.8% 9.32% 3.64%