Last weekend, Victor helped his sister move into her new apartment. He did not really feel like helping her, but he wanted her to be in his debt, because he is planning to ask her if he can stay at her place for a couple of weeks. By helping his sister move, Victor was thus engaging in ____.

A) egoistic helping
B) altruistic helping
C) zero-sum helping
D) non-zero-sum helping

Egoistic Helping

Acts of providing assistance to others motivated by a desire to benefit oneself, such as feeling good or avoiding guilt.

Altruistic Helping

Voluntarily assisting others without expecting anything in return, driven by the desire to benefit someone else.

Zero-Sum Helping

A concept where one party's gain in a helping situation is perceived to directly correspond to another party's loss, suggesting a competitive or balanced exchange rather than mutual benefit.