In addition to risk-free securities, you are currently invested in the tanglewood fund, a broad-based fund of stocks and other securities with an expected return of 10.05 % and a volatility of 31.38 %. currently, the risk-free rate of interest is 3.42 %. your broker suggests that you add a venture capital fund to your current portfolio. the venture capital fund has an expected return of 18.46 %, a volatility of 83.81 %, and a correlation of 0.18 with the tanglewood fund. calculate the required return and use it to decide whether you should add the venture capital fund to your portfolio.