옵션 옵션 선택 1_베이직(스팀)(-15,000) 2_일반_실버(외부스팀)(-10,000) 3_일반_골드(외부+내부분해스팀) 4_일체형_실버(외부스팀)(+5,000) 5_일체형_골드(외부+내부분해스팀)(+20,000)