Ram professes to sell his goods at the cost price but he made use of 800 grms instead of a kg, what is the gain percent?	Choose the correct option.
A) 25%	B) 11 1/8%	C) 11 9/9%	D) 11 5/9%	E) 11 1/5%
800 --- 200   100 --- ? =&gt; 25%   25%nswer:25%
<result>A</result>
Ram professes to sell his goods at the cost price but he made use of 800 grms instead of a kg, what is the gain percent?