Before being simplified, the instructions for computing income tax in Country R were 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. 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?
computing income tax in Country R were 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). Income tax=2% * I+(100+1%*I)/2=50+I/40