John makes $30 a week from his job. He earns a raise andnow makes $40 a week. What is the % increase?	Choose the correct option
A) 16 %  B) 33.33 %  C) 33.69 %  D) 33.98 %  E) 37 %

Rationale: "increase = ( 10 / 30 ) * 100 = ( 1 / 3 ) * 100 = 33.33 % . b"
Answer: B