"The Productive Worker Is a Happy Worker" Is an Expression

Multiple Choice

"The productive worker is a happy worker" is an expression that is used to express the idea that:

A) Job performance begets a happy worker.
B) Job performance begets an unhappy worker.
C) Job performance is not related at all to worker performance.
D) Job performance is ultimately related to high bonuses and low performance ratings.
E) As long as an employee is productive,level of pay is irrelevant to them.