2. Re-optimize the model. Re-optimization results in a $456,000 profit and five remaining engines. This process of alternatively selecting new objectives while imposing constraints on old ones allows a great deal of managerial flexibility in using optimization. Market Limitations Suppose it turns out that the engines will not become obsolete after all. However, the marketing department points out that the demand for the various boat types is limited as shown in the following table: Large Sailboat Small Motorboat Sailboat Sailboard Market limit (units) 160 130 170 150 Recall that the current optimal production involves 370 sailboards, far more than can be sold