Annual returns of three stocks are given below. Two of them (Air America and Air Brazil) are airline stocks and one (Star Oil) is an oil stock. In general, when oil prices go up, airline company stocks go down and oil company stocks go up. How much is the risk (i.e., sample annual standard deviation)? Notice that all three stocks have the same risk. Enter your answer in the following format: 0.1234 Hint: Answer is between 0.1718 and 0.2100 How much is your portfolio's rate of return in the previous year? Enter your answer in the following format: 0.1234 Hint1: Portfolio return is the weighted return, i.e., w1* r1+w2r2+w3r3+w4r4 Hint2: Answer is between 0.0744 and 0.0946