求解

dpzixuan89

before being simplified, the instruction for computing income tax in country R were to add 2 percent of one's anuual income to the average 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 currrency, 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
关键我不太看得明白the average of 100 units of countryR's currency 是什么意思

dpzixuan89

prep上的题。。。答案选C
求解。

墩墩大人

求解！答！