Select a couple of publicly traded U.S.-based companies that made a significant make-it or buy-it decision or a decision to add or drop a product line or close a business unit within the last ten years. A public company is one whose stock is traded at the time of the decision on a stock exchange such as the New York Stock Exchange (NYSE) or NASDAQ, and therefore has financial statements available. The decision must represent an actual change, not a decision to maintain the status quo. An example of maintaining the status quo would be continuing to buy a component after analyzing the costs of making the component.