Search “구글일반키워드작업상위 {텔레page13} ∈1stpage＾co˙kr∋ 성인키워드작업상단 유흥키워드작업노출 5 구글키워드작업대행 키워드작업홍보 1 웹문서작업광고 1페이지작업등록 12372 첫페이지작업업체”

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