175. 18356-!-item-!-187;#058&011490
Before being simplified, the instructions for computing income tax in Country R were to add 2 percent of one's annual income to the average (arithmetic mean) of 100 units of Country R's currency and 1 percent of one's annual income. Which of the following represents the simplified formula for computing the income tax, in Country R's currency, for a person in that country whose annual income is I ?
a: 50+I/200
b:50+3I/100
c:50+I/40
d:100+I/50
E:100+3I/100
答案是c,画线部分的句子怎么理解呢?
to add (2 percent of one's annual income) to [the average of (100 units of
Country R's currency) and (1 percent of one's annual income)]
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