If a dealer wants to earn 40% profit on an article after offering 30% discount

If a dealer wants to earn 40% profit on an article after offering 30% discount, by what percent should be increase his marked price to arrive at the label price?

(A) 50%
(B) 100%
(C) 200%
(D) 60%

Note: (Conditions)
1) Like Our Page on Facebook
2) Share this Question on Facebook
(Winner will be provided Rs 50 NTC/NCELL recharge card)