Korn, Inc. and Bunyon, Inc. are two foot care firms whose stock returns depend on the following four states of the economy, which are equally likely to happen: (answer parts a, b, and c - use four decimal places for all intermediate steps) Korn -10 +2 Bunyon +25 +5 Recession Slow Go Normal Boom +6 +3 +25 -15 a.) Calculate the expected return on each stock. b.) Calculate the variance and standard deviation of each stock. c.) Calculate the expected return, variance and standard deviation of a portfolio consisting of 55% Korn and 45% Bunyon