257.According to the passage, all of the following benefits associated with backward integration EXCEPT
A. improvement in the management of overhead expenses;
B. enhancement of profit margins on sales of components;
C. simplifciations of purchases and marketing operations;
D. reliability of a source of necessary components;
E. elmination of unncessary research efforts.
答案为B,D为什么被排除？
欢迎光临 国际顶尖MBA申请交流平台--TOPWAY MBA (http://forum.topway.org/)
