You have $9,900 to invest. You decide to invest $21,000 in Google and short sell $11,100 worth of Yahoo! Google's expected return is 17% with a volatility of 25% and Yahoo!'s expected return is 10% with a volatility of 27%. The stocks have a correlation of 0.87. What is the expected return and volatility of the portfolio? The expected return is (%. (Round to one decimal place.)