The Word Cost-Effective as It Relates to the Definition of Logistics

The word cost-effective as it relates to the definition of logistics management implies

A) while it is important to drive down logistics costs, satisfying customer requirements must be a part of the equation.
B) while it is important to drive down logistics costs, all channel members must benefit equally financially or the chain will not function effectively.
C) speed of delivery must be measured against increased savings and ultimately, savings should carry more weight.
D) the need for multiple carriers always results in lower profit margins and therefore should be avoided.
E) the choice of intermediaries should be made on their ability to perform their tasks efficiently even if additional costs must be passed on to the consumer.