Intro The table below shows the historical rates of return (including dividends) for two stocks: Year Stock A Stock B 2019 3% -3% 2018 12% 28% 20% 2017 2016 8% 4% -12% Stock A makes up 70% of the value of portfolio, and stock B makes up the rest. Calculate the portfolio return for each year. - Attempt 1/1 for 10 pts. Part 1 What was the portfolio return in 2019? 4+ decimals Submit Show all parts Attempt 1/1 for 10 pts. Part 2 What was the portfolio return in 2018? 3+ decimals Submit Part 3 Attempt 1/1 for 10 pts. What was the average annual portfolio return over all years? 3+ decimals Submit Part 4 Attempt 1/1 for 10 pts. What was the annual standard deviation of portfolio returns? 3+ decimals Submit