What is the expected return of your portfolio if you own 540 shares of Shark, which are priced at $20.00 each and have a beta of 1.02, and 577 shares of Rhino, which are priced at $15.00 each and have a beta of 1.22, and if the expected return on the market is 12.00%, inflation is 1.00%, and the risk-free return 4.00%?(Round the value to 100th decimal and Please enter the value only without converting it to a decimal format. If the answer is 8.55%, enter 8.55)