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 of 100 units of country R’s courrency 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 ?

50 + I/200
50+I/40
50+I/40
100+I/50
100+3I/100

C
can someone explain what is problem really means