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 payo table shows the projected prot in millions of dollars: Long-Run Demand Low Medium High Plant Size Small, d1 150 200 200 Large, d2 50 200 500 Recommend a decision based on the use of the optimistic, conservative and minimax regret approaches.