1. According to a tax rate formula for a certain year, the amount of tax owed by an individual whose annual income was between $31,850 and $77,100 was equal to a base tax of $4,386 plus 24 percent of the annual income that exceeded $31,850. According to this formula, what was the amount of tax owed by an individual whose annual income that year was $42,000?
请问 老师 这里的the annual income that exceeded $31,850.怎么理解,是说超过了31850的年收入呢? 还是说年收入超过31850的那部分呢?
这是GRE数学试题。百度上对此有解答:https://www.smartstudy.com/gre/article/128377.html?pid=lwomktv7
解析:题干问,某一年个人收入在$31,850到$77,100之间的税收计算方式为$4,386加上超出$31,850部分的24%。问收入为$42,000的个人这一年需缴纳多少税?
所以我们可以得到所缴税的计算方式=4386+24%*(42000-31850)=6822.
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