After decreasing 24% in the price of an article costs Rs.320. Find the actual cost of an article?	Choose the correct choice from the following choices:
A) 400 B) 520 C) 651 D) 525 E) 421
CP* (76/100) = 320   CP= 4.21 * 100 =&gt; CP = 421   ANSW421R:421
<result>E</result>
After decreasing 24% in the price of an article costs Rs.320. Find the actual cost of an article?