Which of the following describes productivity improvement? ANSWER Unselected Strives to ensure that the company supports its financial, environmental, and social responsibilities while serving the needs of customers Unselected Occurs when firms monitor their own processes and those of their suppliers to improve waste elimination methods, to reduce the pollution of the air, streams, and rivers, and to increase efforts at ecological stewardship for the protection of flora and fauna Unselected Focuses on ensuring that the materials that go into their services, products, or processes do not pose health or safety hazards to customers Unselected Examines processes up and down the supply chain to increase material conservation, to increase energy efficiency, and to look for ways to convert waste into useful by-products