Aperson in a communal relationship with another is more likely to be concerned with the effects of , whereas someone in an exchange relationship with another is more likely to be concerned with the effects of that individual.

A person in a communal relationship with another is more likely to be concerned with the non contingent effect of helping. While a person in an exchange relationship with another is more likely to be concerned with the contingent effect of helping others.

Explanation:

Communal relationships are closely knitted relationships, such that occurs within family and partners. In a communal relationship, helping does not come  with future expected benefits (non contingent) . Giving is done with an objective of ensuring the other person's need is met.

In an Exchange relationship, the effect of helping comes with future benefits of repayments. Giving is done with an objective of some future repayment. This type of relationship occurs among business partners. 'If person A does person B  a favor today, it is expected that person B will repay the favor to person A in future.

the answer is:

c. economic output