Calculate the covariance between the two securities of a portfolio that has 40% in stock X (with a standard deviation of 8.2% and an expected return of 12.1%) and 60% in stock Y (with a standard deviation of 14.3% and an expected return of 15.1%). The portfolio standard deviation is 8%. %. The covariance between the two stock X and stock Y is Note: Please retain at least 4 decimal places in your calculations and at least 2 decimal places in your final