Which of the Following Is an Example of Supply Chain

Which of the following is an example of supply chain efficiency?

A) Aubrey Express, a consultancy, focuses on providing superior service to its clients.
B) Fyroff, an automobile manufacturing company, has high spare parts availability.
C) Glassico, a soft drink manufacturing company, introduces a new soft drink flavor.
D) Timeplz, a watch manufacturing company, positions itself as a prestige brand.
E) Xenthix, an electronics company,sources its raw materials in ways that keep its costs low.