Ram professes to sell his goods at the cost price but he made use of 850 grms instead of a kg, what is the gain percent?  Choose the most appropriate option.
A) 19 11/17%  B) 15 11/17%  C) 18 11/17%  D) 17 11/17%  E) 10 11/17%
850 --- 150   150 --- ? =&gt;   =150/850 *100   =17 11/17%   Answer: 17 11/17%
<result>D</result>
Ram professes to sell his goods at the cost price but he made use of 850 grms instead of a kg, what is the gain percent?