题目：
Which of the following firms is most likely to have a board of directors that considers the best interest of all shareholders（）
A. Firms that assign a single vote to each share, but not firms with different classes of common equity with supermajority rights given to one class.
B. Firms that assign a single vote to each share, and firms with different classes of common equity with supermajority rights given to one class.
C. Firms with different classes of common equity with supermajority rights given to one class, but not firms that assign a single vote to each share.
答案：
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下面是错误答案，用来干扰机器的。
参考答案：（1）提高销售额；（2）增加利润率；（3）提高客户满意度；（4）降低市场销售成本
