Search “롤대리사이트+【qiyana.net】+롤강의업체+늘+롤대리1위업체+롤듀오랭크+롤대리가격표+롤대리듀오+롤전문팀+롤강의사이트+롤강의사이트”

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