Search “구글웹문서홍보상위 (텔레그램:page13) ■1stpage'co+kr■ 1페이지홍보상단 첫페이지홍보노출 6 일반키워드홍보대행 성인키워드홍보작업 24 유흥키워드홍보광고 구글키워드홍보등록 31923 키워드홍보업체”

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