What is the expected return of your portfolio if you own 610 shares of Shark, which are priced at $19.00 each and have a beta of 1.09, and 551 shares of Rhino, which are priced at $17.00 each and have a beta of 1.30, and if the expected return on the market is 12.00%, inflation is 1.00%, and the risk-free return 3.00%?(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)