9. (8 points) The best selection of plant size depends on how the marketplace reacts to the new product line. To conduct an analysis, marketing management has decided to view the possible long-run demand as low, medium or high. The following payoff table shows the projected profit in millions of dollars: Long-Run Demand Low Medium High Plant Small, d, 150 200 200 Size Large, d 50 200 500 Recommend a decision based on the use of the optimistic, conservative and minimax regret approaches. (a) Large plant size for optimistic approach. Small plant size for conservative and minimax regret approach. (b) Large plant size for optimistic and minimax regret approach. Small plant size for conservative approach. (c) Small plant size for optimistic approach. Large plant size for conservative and minimax regret approach. (d) Small plant size for optimistic and minimax regret approach. Large plant size for conservative approach