non profit organizations in springfield mo Including ambulances, fire engines, sanitation vehicles, TV and radio cars, airport operations, municipal construction projects, etc. (3) monetary benefits -- increase the monetary value of assets. There are both measurable and unquantifiable benefits in these three different forms of income. Among them: mental income is too strong to measure, monetary gain is easy to measure because of the static concept of value change. Economists, therefore, focus only on actual earnings. “We’re very proud of the way that the glass industry has come together to face the challenge of energy efficiency and decarbonisation - which will continue to define all manufacturing and markets for the coming decades.