Search “구글웹문서홍보상위 【1stpageˇco．kr】 ⊆텔:page13⊇ 첫페이지홍보노출 일반키워드홍보대행 18453 1페이지홍보상단 유흥키워드홍보광고 구글키워드홍보등록 826 키워드홍보업체 성인키워드홍보작업”

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