During a Recent Recession,many Manufacturers Determined That Their Suppliers Were

During a recent recession,many manufacturers determined that their suppliers were an excellent source of cost savings.Specific cost-reduction strategies manufacturers have used with their suppliers include:

A) offer help in boosting productivity of suppliers
B) renegotiate contracts
C) set annual across-the-board cost reduction targets for suppliers
D) improve economies of scale by cutting number of suppliers
E) all of the choices