A person, by selling an article at three-fourths of the list price incurs a loss of 20%. Find the profit percentage if he sells at the list price?  Choose the correct choice from the following choices:
A) 25 %	B) 6.66 %	C) 5.45 %	D) 30 %	E) None
Sol.   0.75 MP = 0.8 CP (since 20% loss) So, MP = 1.0666CP ⇒ 6.66% gain.   Answer 6.66 %
<result>B</result>
A person, by selling an article at three-fourths of the list price incurs a loss of 20%. Find the profit percentage if he sells at the list price?