Could someone help me with this problem?

Consider the following table Stock Fund Rate of Returm -34% -18% 14% 24% Bond Fund Rate of Return -10% 6% Scenaric Probability Severe recession Mild recession Normal growth 0.15 0.20 0.35 0.30 7% Boom 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 4 decimal places.) Mean return 3.4 % Variance 22.62 096-Squared 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 4 decimal places.) Covariance -2476 %-Squared