A trader earns a profit of 30% by selling an article X and loses 16% by selling another artticle Y. If the ratio of the cost prices of X and Y is 3 : 4, then what is the gain/loss in the entire transaction (correct to one decimal place)?

A

Gain of 3.7%

B

Gain of 4.8%

C

Loss of 4.5%

D

Loss of 3.9%