You and I work on a joint project, and it succeeds. In describing our relative contributions to the project, you assume that your contribution is greater than mine, but I assume that my contribution is greater than yours. This illustrates that .a. Actor/ observer bias
b. False consensus effect
c. Fundamental attribution error
d. Self-serving bias

D, Self-serving bias

Explanation:

Self-servin bias is a process of perception that is defined as a tendency to see oneself in a highly favourable manner thereby maintaining and enhancing self esteem.

Simply put, self-serving bias is a condition in which one sees himself as more than he is to ensure that his self esteem stays intact and increases.

Cheers

answer; risk transference;