Search “구글첫페이지작업광고 ≤1stpage．co｀kr≥ {텔레:page13} 성인키워드작업업체 유흥키워드작업상위 29790 일반키워드작업등록 키워드작업노출 6 웹문서작업대행 1페이지작업홍보 23 구글키워드작업상단”

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