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【答案<span>4</span>】(<span>1</span>)<span>A</span>方案成本系数<span>=8750.00/</span>(<span>8750.00+8640.00+8525.00</span>)<span>=0.338</span>
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B方案成本系数<span>=8640.00/</span>(<span>8750.00+8640.00+8525.00</span>)<span>=0.333</span>
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C方案成本系数<span>=8525.00/</span>(<span>8750.00+8640.00+8525.00</span>)<span>=0.329</span>
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(<span>2</span>)<span>A</span>方案价值系数<span>=0.33/0.338=0.976</span>
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B方案价值系数<span>=0.35/0.333=1.051</span>
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C方案价值系数<span>=0.32/0.329=0.973</span>
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(<span>3</span>)选择<span>B</span>方案。<span></span>
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