looking for expected return rate, standard deviation and variance. I came up for different answers both times I worked the problem.Need assistance

- Input area: State Depression Recession Normal Boom Probability 0.15 0.20 0.40 0.25 Stock A -0.107 0.069 0.135 0.215 Output area: Return Deviation Squared Deviation Probability Return Product Product Stock A Depression Recession Normal Boom --- E(R) = 0.0000 Variance = 0.00% Sim 3a Sim 3b Standard Deviation Sim 30 Sim 3d Sim 3e