A.12000 B.15000 C.7500 D.12500
A.3750 B.6000 C.6250 D.6750
A.0.2，0.75 B.0.22，0.75 C.0.25，0.22 D.0.75，0.22
A.生产成本 B.制造费用 C.废品损失 D.营业外支出
A.16000 B.8000 C.4800 D.9600
