Search “구글키워드동록대행 ⊆텔레page13⊇ ＜1stpage˝co，kr＞ 웹문서등록홍보 1페이지등록광고 6 키워드등록작업 일반키워드등록상위 30 성인키워드등록상단 유흥키워드등록노출 31761 첫페이지등록업체”

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