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 following represents the simplified formula for computing the income tax, in country R's currency, for a person in that country whose annal income is H?这红色的是什么意思啊,主要看不明白它