According to your personal analysis, the expected return of UBER should be 15.9%. However, this is not necessarily what the CAPM is saying. The expected return on the market is 11.1%, the risk- free rate is 1.7%, and the beta for UBER is 1.14. You want to exploit the mispricing using an arbitrage portfolio and the recipe from the book. Give the weight in the risk-free asset in percentage