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【多选题】
关于建设项目经济分析中费用效果分析的说法，正确的有______。
A.
费用可采用现值或年值表示
B.
备选方案应该具有可比的寿命期
C.
费用应包括整个运营期发生的全部费用
D.
备选方案的目标接近，且能满足最低效果标准
E.
费用通常可以货币量化而效果往往难以货币量化
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