Search “구글유흥키워드상단대행 ≤1stpage。co·kr≥ 「텔레그램:page13」 구글키워드상단작업 키워드상단홍보 14922 웹문서상단광고 1페이지상단등록 첫페이지상단업체 823 일반키워드상단상위 성인키워드상단노출”

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