Ken's Financial Planning Business Produced Far More Sales When He

Ken's financial planning business produced far more sales when he changed his activities from "selling as many RRSPs as possible each month" to selling "$100,000 in RRSPs per month." Which S.M.A.R.T goal guideline is Ken following?

A) Goals should be specific. 
B) Goals should be measurable. 
C) Goals should be attainable. 
D) Goals should be timely.