need asap please!

Suppose you construct a cross-assets portfolio by including only the Treasury bills and an index mutual fund which represents the overall market. The weight of the Treasury bills in your portfolio is 57%. You know the risk-free rate is 4.01% and the market portfolio return is 13.84%. What's the best prediction on your portfolio's expected return? Multiple Choice 9.06% 8.24% 6.59% 9.88%