John makes $60 a week from his job. He earns a raise andnow makes $72 a week. What is the % increase?	Choose the most appropriate option
A) 20 %  B) 16.66 %  C) 16.56 %  D) 17.66 %  E) 18.1 %

Rationale: "increase = ( 12 / 60 ) * 100 = ( 1 / 5 ) * 100 = 20 % . a"
Answer: A