Convenience in a Supply Chain Refers to the Concept That

Convenience in a supply chain refers to the concept that

A) there should be a minimum of effort on the part of the buyer in doing business with the supplier.
B) all products or services should be available 24 hours a day, 7 days a week, and 365 days a year.
C) all tasks required to make an exchange are the sole responsibility of the supplier.
D) an exchange requires equal effort by both the buyer and supplier.
E) all logistical services are provided by a supplier network.