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