正确答案:B n3J53| %v
答案解析:甲、乙、丙三种产品的边际贡献率分别为: ,3nN[)dk
甲:[(30-20)/30] ×100%=33.33% 2<M= L1\
乙:[(25-15)/25] ×100%=40% 9"g6C<
丙:[(22-11)/22] ×100%=50% ?%H
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各产品的销售比重为:
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A)R_p
甲:[30×1000/(30×1000+25×5000+22×300)] ×100%=19% wEzKqD
乙:[25×5000/(30×1000+25×5000+22×300)] ×100%=77% q^6 +!&"
丙:[22×300/(30×1000+25×5000+22×300)] ×100%=4% V!)O6?l
加权平均边际贡献率=33.33%×19%+40%×77%+50%×4%=39.13%。