saran professes to sell his goods at the cost price but he made use of 900 grms instead of a kg, what is the gain percent?  Pick
A) 67 6/9%	B) 54 1/2%	C) 33 3/8%	D) 11 1/9%	E) 87 7/9%
11 1/9%   900 --- 100   100 --- ? =&gt; 11 1/9%
<result>D</result>
saran professes to sell his goods at the cost price but he made use of 900 grms instead of a kg, what is the gain percent?