Kevin professes to sell his goods at the cost price but he made use of 300 grams instead of a kg, what is the gain percent? Choose the correct choice:
A) 33 1/3%	B) 12 1/3%	C) 66 2/3%	D) 32 1/3%	E) 34 1/3%
300 --- 100   100 --- ? =&gt; 33 1/3%   33 1/3%nswer:33 1/3%
<result>A</result>
Kevin professes to sell his goods at the cost price but he made use of 300 grams instead of a kg, what is the gain percent?