The cost price of 12 articles is equal to the selling price of 10 articles. What is the profit percent?	Choose the correct option:
A) 10%
B) 20%
C) 30%
D) 40%
E) 50%
10*SP = 12*CP   SP = 1.2*CP   The profit percent is 20%.   The answer is 20%.
<result>B</result>
The cost price of 12 articles is equal to the selling price of 10 articles. What is the profit percent?