A merchant marks his goods up by 30% and then offers a discount of 10% on the marked price. What % profit does the merchant make after the discount?	Pick one.
A) 8%
B) 10%
C) 21%
D) 15%
E) 17%
Let the price be 100.   The price becomes 130 after a 30% markup.   Now a discount of 10% on 130.   Profit=117-100   17%   answer 17%
<result>E</result>
A merchant marks his goods up by 30% and then offers a discount of 10% on the marked price. What % profit does the merchant make after the discount?