3-57. Hardie Lord, Helen Murvis's boss, is not convinced that Helen used the correct decision technique. (Refer to Problem 3-56.) Hardie believes that Helen should use a coefficient of realism of 0.75 in determining the best alternative. Hardie thinks of himself as a realist. (a) Develop a decision table for this problem. (b) Using the criterion of realism, what is the best decision? (c) Did Hardie's decision technique result in a decision that was different from Helen's