Search “구글키워드상단광고 ≤텔레그램:page13≥ →1stpage·co=kr← 웹문서상단업체 1페이지상단상위 5 키워드상단등록 일반키워드상단대행 1 성인키워드상단작업 유흥키워드상단홍보 11943 첫페이지상단노출”

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