The Principle of Reciprocity Applied to Career Help Means That

The principle of reciprocity applied to career help means that

A) Career actors need to be aware of their weaknesses as well as their strengths
B) Those who seek help may also need to be prepared to give help
C) Any assistance given will eventually result in rewards to the giver
D) Career advice is suitably compensated on a payment-for-results basis
E) Career actors need to balance their employers' interests against their own