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试述经营杠杆和财务杠杆的经济含义，公司应如何平衡经营杠杆和财务杠杆对公司收益和风险的影响

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Questions 16-20Who can take part in each of the classesWrite the correct letter A, B or C next to questions 16-20.Class participants 18（）

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A. 尼可刹米
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