You buy 100 shares of Apple stock at $3 and 200 shares of Boeing stock at $7. Over the next year, your investment in Apple has 10% total return, while your investment in Boeing as 5% total return. What is your portfolio return for the year? Do not round at intermediate steps in your calculation. Express your answer in percent. Round to two decimal places. Do not type the % symbol. If the return is negative, then include a minus sign.