Search “구글첫페이지상단업체 {{텔:page13}} ◐1stpage｀co｀kr◑ 성인키워드상단노출 유흥키워드상단대행 6 일반키워드상단상위 키워드상단홍보 웹문서상단광고 21 1페이지상단등록 구글키워드상단작업 31158”

A "time and materials" contract outlines a set price for labor and materials based on hourly rates or price per quantity.