Search “구글키워드홍보작업 →텔레:page13← 『1stpage、co˚kr』 웹문서홍보광고 1페이지홍보등록 6 첫페이지홍보업체 일반키워드홍보상위 성인키워드홍보상단 9 유흥키워드홍보노출 구글키워드홍보대행”

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