I believe the amount of income tax the doctor has to pay is $9,127.5
36/x=100/25
<span>(36/x)*x=(100/25)*x </span>
<span>36=4*x </span>
<span>36/4=x </span>
<span>9=x </span>
<span>x=9</span>
Nobody can provide an answer to you if you do not ask a question that has a viable answer?