【单选题】【消耗次数：1】
下列哪个企业物流系统经营的安全程度最高？（ ）
①
安全边际率为50%
②
安全边际率为35%
③
安全边际率为10.5%
④
安全边际率为10%
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相关题目
【多选题】
在下列关于安全边际及安全边际率的描述中,内容正确的有( )。
①
安全边际额是现有销售额超过保本点销售额的部分
②
安全边际率是安全边际量与现有销售量之比
③
安全边际率和保本作业率之和为1
④
安全边际率越大,企业发生亏损的可能性越大
【多选题】
安全边际率可以通过哪些公式计算？
①
安全边际/实际销售量
②
保本销售量/实际销售量
③
安全边际额/实际销售额
④
保本销售额/实际销售额
⑤
安全边际量/安全边际额
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某产品实际销售量为8000件，单价为30元，单位变动成本为12元，固定成本总额为36000元，则该产品的安全边际率为（ ）
①
25%
②
60%
③
40%
④
75%
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