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An investor purchased 100 shares of stock X at 6[color=var(--content-dark)] dollars per share and sold them all a year later at 24 dollars per share. If the investor paid a 2 percent brokerage fee on both the total purchase price and the total selling price, which of the following is closest to the investor's percent gain on this investment?
92% 240% 280% 300% 380%
五个选项
列式子得(24-6)*100的整体除以投资的100*6,其中6是那个假分数约等于的数值,得出结果是300%,但是答案是280%,不知道哪里错了
有友友指点一下吗,谢谢!
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