Please answer all the questiond and look at the last pic for answer format. thanks!! all of the questions are related to graph on first pic.

Stocks A and B have the following historical returns: Calculate the average rate of return (mean) for.Stock A during the period 2019 through 2021. Assume that someone held a portfolio consisting of 50% of Stock A and 50% of Stock B. What would the realize rate of return on the portfolio be for 2019 ? QUESTION 21 Assume that someone held a portfolio consisting of 50% of Stock A and 50% of Stock B. What would the realized rate of return on the portfolio be for 2020 ? QUESTION 22 Assume that someone held a portfolio consisting of 50% of Stock A and 50% of Stock B. What would the realized rate of return on the portfolio be for 2021 ? What would the average return on the portfolio be during this period? QUESTION 24 Calculate the standard deviation of returns on a sample for Stock A. QUESTION 25 Calculate the standard deviation of returns on a sample for Stock B. QUESTION 26 Calculate the standard deviation of returns on a sample for the portfolio. Calculate the coefficient of variation for Stock A QUESTION 28 Calculate the coefficient of variation for Stock B QUESTION 29 Calculate the coefficient of variation for the portfolio QUESTION 30 Assuming you are a risk-averse investor, would you prefer to hold Stock A Stock B The Portfolio None Numeric Format for Answers: 1. All final answers are to be in 2 decimal places unless otherwise indicated - Percentage is to be converted from decimal to 2-places, i.e., 0.5467 should be 54.67% - Dollar amounts should have 2-decimal placements, i.e., $54.67 or 54.67 - If a number needs to be rounded - follow the rounding rules, i.e., 0.54666 is 54.67 not 54.66 1. Do not include dollar ($) or percent (%) signs