Search “구글키워드작업대행 ■1stpage¸co˚kr■ ∈텔:page13∋ 1페이지작업광고 첫페이지작업등록 33018 웹문서작업홍보 성인키워드작업상위 6 유흥키워드작업상단 구글키워드작업노출 23 일반키워드작업업체”

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