A dealer marks his goods 20% above cost price. He then allows some discount on it and makes a profit of 8%. The rate of discount is :  Choose the correct choice from the following.
A) 8%	B) 11%	C) 21%	D) 10%	E) none of the above
Let C.P.=Rs.100   Marked price = Rs.120, S.P. = Rs.108   10%iscount = [12120×100][12120×100]% = 10%   Ans is : 10%
<result>D</result>
A dealer marks his goods 20% above cost price. He then allows some discount on it and makes a profit of 8%. The rate of discount is :