Search “구글첫페이지상단대행 →텔레그램:page13← ●1stpage·co。kr● 일반키워드상단작업 성인키워드상단홍보 6 유흥키워드상단광고 구글키워드상단등록 25 키워드상단업체 웹문서상단상위 39480 1페이지상단노출”

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