PPG Industries, founded in 1883, was the first commercially successful plate glass manufacturer in the United States. Today it is a global supplier of coatings, chemicals, and glass. Annually, its management approves capital spending for modernization and productivity improvements, expansion of existing businesses, and environmental control projects. Management will receive many proposals for projects to use this money, and it must set an appropriate acceptance-rejection standard. What factors should be considered in setting this standard? If more proposed projects meet the minimum standard than can be funded, what other factors should management consider, and what should management do?