After decreasing 20% in the price of an article costs Rs.200. Find the actual cost of an article?	Choose the correct choice from the following answers.
A) 280  B) 250  C) 260  D) 270  E) 300

Rationale: "cp * ( 80 / 100 ) = 200 cp = 2.5 * 100 = > cp = 250 answer : b"
Answer: B