Answer:
b Problem recognition
Step-by-step explanation:
Eaton's customers are at the stage of problem recognition because they are recognizing a problem or necessity that hey have, and have determined what goods and services will meet that necessity or solve that problem.
In this case, the necessity is likely related to sustainability, and the goods and services that have been determined to meet that necessity are: solutions for power management, energy savings, green technologies, and LEED certification.