Consider the following tables Scenario Severe recession Mild recession Normal growth Book Probability 0.10 0.20 Stock Fund Rate of Return --36 -165 214 264 Bond Fund Rate of Return -9 15 89 -5 0.30 a Calculate the values of mean return and variance for the stock fund. (Do not round intermediate calculations. Round "Mean return" value to 1 decimal place and "Variance" to 2 decimal places.) Mean retum Virano b.Calculate the value of the covariance between the stock and bond funds. (Negative value should be indicated by a minus sign. Do not round Intermediate calculations. Round your answer to 2 decimal places.) Covariance