A merchant marks up the price of his goods by 40% more than the cost price. He then sells $$\frac{1}{5}$$th of his goods at a discount of 10%, half of tbe goods at the marked price and the rest of the goods at a discount of 20%. Find his profit percentage.

A

20.4%

B

30.2%

C

28.8%

D

14.6%