Micro-Pub Inc. is considering the purchase of one of two digital cameras, Nikon and Canon, each of which requires an initial investment of $2,700. Management has constructed the accompanying table showing estimates of rates of return and probabilities for pessimistic, most likely, and optimistic results. Determine the range for the rate of return for each of the two cameras. Determine the average return for each camera. Which camera seems like the more risky purchase? Why