正确答案:B gjsks
(x
答案解析:甲、乙、丙三种产品的边际贡献率分别为: ~> )>hy)
甲:[(30-20)/30] ×100%=33.33% KsGW@Ho:
乙:[(25-15)/25] ×100%=40% sm"Rp~[i
丙:[(22-11)/22] ×100%=50% T}J)n5U}\
各产品的销售比重为: b81^756
甲:[30×1000/(30×1000+25×5000+22×300)] ×100%=19% "%Ief4
乙:[25×5000/(30×1000+25×5000+22×300)] ×100%=77% N MkOx$
丙:[22×300/(30×1000+25×5000+22×300)] ×100%=4% Eve,*ATI
加权平均边际贡献率=33.33%×19%+40%×77%+50%×4%=39.13%。