Find the annual income derived by investing $ 6800 in 40% stock at 136. Choose the correct choice from the following choices:  A) 550  B) 2000  C) 250  D) 3000  E) 400

Rationale: "by investing $ 136 , income obtained = $ 40 . by investing $ 6800 , income obtained = $ [ ( 40 / 136 ) * 6800 ] = $ 2000 . answer b ."
Answer: B