whether they are rich or poor, people can choose the color or
style of their hair ― or even of a wig ― to suit their own taste.

이문장에서요 밑줄쳐진 to suit가 형용사적 용법으로 쓰인건가요 아니면 부사적 용법(목적) 으로 쓰인건가요 ?