A.30 B.40 C.50 D.60
A.1281.97,303.36,959.31,19.30 B.1287.91,311.02,931.65,19.30 C.1287.97,331.02,911.65,19.30 D.1281.97,331.02,931.65,16.30
A.第一类费用 B.机械费 C.管理费用 D.措施费
A.折旧费 B.大修理费 C.人工费 D.机械安拆费
A.194 B.200 C.233 D.240