Use the graph on the right to answer the following question. Alan earns $250,000 per year and is considering a second job that would 50% earn him another $15,000 annually. At what rate will his tax liability (the amount he must pay in taxes) change if he takes the extra job? '21: Express your answer in tax dollars paid per dollar earned. g 40 a 3 30 9 m ; 20 e E 10 e g > 0 50 100 150 200 250 300 350 400 Annual income (in thousands of dollars)