Darryl Is a Chemist at a Pharmaceutical Company, and He

Darryl is a chemist at a pharmaceutical company, and he was asked by the decision-making unit at his company to visit and evaluate potential vendors that will supply his company with the chemicals required to manufacture their products and to conduct laboratory tests of a new product that can be used in the manufacture of their products. Darryl is assisting the company with which type of information search?

A) formal
B) informal
C) priority
D) secondary
E) direct