Search “구글일반키워드광고노출 {{텔:page13}} ⊆1stpage，co，kr⊇ 성인키워드광고대행 유흥키워드광고작업 6 구글키워드광고홍보 키워드광고등록 30 웹문서광고업체 1페이지광고상위 35730 첫페이지광고상단”

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