【多选题】
A <{p}><{font _mstmutation="1" _msthash="20489" _msttexthash="10835734"}>固定成本<{/font}><{br/}><{/p}>
B <{p}><{font _mstmutation="1" _msthash="20490" _msttexthash="10524592"}>变动成本<{/font}><{br/}><{/p}>
C <{p}><{font _mstmutation="1" _msthash="20491" _msttexthash="11169717"}>混合成本<{/font}><{br/}><{/p}>
D <{p}><{font _mstmutation="1" _msthash="20492" _msttexthash="13688714"}>半变动成本<{/font}><{br/}><{/p}>
E <{p}><{font _mstmutation="1" _msthash="20494" _msttexthash="14040052"}>半固定成本<{/font}><{br/}><{/p}>
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