A Company Designs and Sells High Quality Baseball Gloves

A company designs and sells high quality baseball gloves.Who would benefit the least if the firm implements a quality marketing program?

A) A baseball player who purchases a new glove (regardless of how good a player) .
B) The salesperson who sold the baseball player the glove.
C) The supplier who provided the leather for manufacturing.
D) The shareholders of the firm that design and manufacture the glove.
E) No one should benefit "least." There should be benefit to all of the people or organizations listed above; even society benefit.