John makes $65 a week from his job. He earns a raise andnow makes $70 a week. What is the % increase?  Choose the most appropriate option:  A) 7.69 %  B) 16.66 %  C) 17.8 %  D) 19 %  E) 21 %

Rationale: "increase = ( 5 / 65 ) * 100 = ( 1 / 13 ) * 100 = 7.69 % . a"
Answer: A