单项选择题
A.定额包干、节约归己、超额自负 B.定额包干、实报实销、超额自负 C.定额包干、超额自负 D.定额包干、超额自负、费用自理
A.50% B.50元 C.100元 D.60%
A.1800 B.900 C.2000 D.1000