How do self$-$serving bias and fundamental attribution error compare in regards to the relative importance of internal factors?

Select answer from the options below

Self$-$serving bias underestimates the importance of internal factors, while fundamental attribution error overestimates the importance of internal factors.

Self$-$serving bias overestimates the importance of internal factors, while fundamental attribution error underestimates the importance of internal factors.

Both self$-$serving bias and fundamental attribution error underestimate the importance of internal factors.

Both self$-$serving bias and fundamental attribution error overestimate the importance of internal factors.