A family has $50,000 to invest and wants to decide amongst several investment choices. The states of nature are the possible levels of inflation in the coming year: low, intermediate, or high. The expected return on each investment depends on the level of inflatio, shown in the following table: Determine the best investment choice using each of the following approaches. a. The optimistic/aggressive criterion ie. the maximum of maximums. b. The pessimistic/conservative criterion ie. the maximum of minimums. c. The minimax regret criterion. Include the regret table in your working. d. The equal likelihood criterion