What is the exception principle?
a. It is a method of control using the periodic control frequency and involves managers regularly recognizing employees for exceptional performance.
b. It is a method of control using the occasional control frequency where managers watch employees to see if out-of-the-ordinary performances occur.
c. It is a method of control using constant controls where managers closely monitor employee behaviors and performance.
d. It is a method of control using the occasional control frequency where employees are in charge of monitoring their own performance unless problems arise.