Part A and B please

Consider the following table: Scenario Severe recession Mild recession Normal growth Boom Probability 0.05 0.20 0.30 0.45 Stock Fund Rate of Return -418 -11.08 88 346 Bond Fund Rate of Return -188 148 58 68 a. Calculate the values of mean return and variance for the stock fund. (Do not round Intermediat return" value to 1 decimal place and "Variance" to 4 decimal places.) Mean return Variance 13.5 % 0.0467 %-Squared b. Calculate the value of the covariance between the stock and bond funds. (Negative value shoul not round intermediate calculations. Round your answer to 4 decimal places.) Covariance 0.0028 %-Squared