Search “구글키워드홍보상단 ◐1stpage。co、kr◑ <텔레그램page13> 웹문서홍보대행 1페이지홍보작업 6 키워드홍보노출 일반키워드홍보등록 성인키워드홍보업체 29 유흥키워드홍보상위 첫페이지홍보광고 37368”

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