You have been given this probability distribution for the holding-periad return for KMP stock: State of the Econamy Probability HPR Boom 0.30 18% 12% Narmal Growth 0.50 Recession 0.20 -5% What is the expected variance for KMP stock? Select one: a. 77.04% b. 66.04% c. 63.72%x d. 78.45% e. 69.96%