Using the data in the following table, estimate (1.) the covariance between the stocks, (2.) the correlation between these two stocks, and (3.) the volatility of a portfolio that is 70% invested in stock A and 30% invested in stock B. (1., 2., 3.) Year 2016 2017 2018 2019 2020 2021 Stock A -10% 20% 5% -5% 2% 9% Stock B 21% 7% 30% -3% -8% 25% O (0.104%, 6.27%, 4.51%) O (0.104%, 6.27%, 9.02%) O (0.208%, 6.27%, 9.02%) O (0.208%, 6.27%, 9.02%) O (0.104%, 7.81%, 8.07%)