Tre'quon's supervisor noticed that he was struggling with the computerized setup for production runs at his new job. the supervisor observed him while he tried it again and gave suggestions for improvement. the supervisor is doing which step of the control process?
a. comparing performance to standards
b. taking corrective action
c. measuring performance
d. controlling productivity
e. establishing standards

(B) Taking corrective action

Explanation:

 According to the given situation, the supervisor is taking the corrective action step for controlling process as this type of action is basically responsible for verifying and also validating all the circumstances according to the given situation and then taking the correct decision.

 While taking the corrective actions the person should aware about some necessary information about the production facilities and also  review the data from the management.

Therefore, Option (B) is correct.  

the first question's answer is a.