Find the annual income derived by investing $ 6800 in 20% stock at 136.  Choose the most appropriate option:
A) 550 B) 1000 C) 2500 D) 300 E) 4000
By investing $ 136, income obtained = $ 20.   By investing $ 6800, income obtained = $ [(20/136)*6800= 
<gadget id="calculator">(20/136)*6800</gadget>
<output>1_000</output>
$ 1000.   Answer 1000.
<result>B</result>
Find the annual income derived by investing $ 6800 in 20% stock at 136.