Which of the following statements is true in the context of selecting the best alternative? a. The decision maker can only select one best alternative. b. The decision maker can develop subjective estimates and weights for choosing an alternative. c. The decision maker must choose the alternative that involves the most costs. d. The decision maker must only stick to completely rational, mathematical analysis while selecting an alternative. e. The decision maker can choose an alternative that does not pass the consequence, satisfactoriness, and feasibility test.