In an Attempt to Regain a Competitive Edge, U

In an attempt to regain a competitive edge, U.S. firms have

A) reduced production costs by selecting suppliers that offer high-quality raw materials and components at reasonable prices.
B) used green manufacturing to conserve natural resources and sustain the planet.
C) used computer-aided and flexible manufacturing systems that allow a higher degree of customization.
D) improved control procedures to help ensure lower manufacturing costs.
E) done all of the above.