A.200000 B.240000 C.400000 D.600000
A.單位成本最小的點(diǎn) B.業(yè)務(wù)量最小的點(diǎn) C.成本總額最小的點(diǎn) D.成本與業(yè)務(wù)量均最小的點(diǎn)
A.10% B.25% C.40% D.無(wú)法計(jì)算