The College Copy Shop is in process of purchasing a high-tech copier. In their search, they have gathered the following information about two possible copiers A and B. B Initial Investment $10000 $10000 Return Prob. Return Prob Pessimistic 11% 0.3 Most Likely 18 0.45 118 0.45 Optimistic 22 0.25 0.25 Return 0.3 (a) Compute expected rate of return for each copier. (b) Compute variance and standard deviation of rate of return for each copier. (c) Which copier should they purchase