A dishonest dealer is selling sugar at ₹40 per kg and pretending that he is selling it at a loss of ₹5 per kg but he actually gives 800 g instead of 1 kg, using a faulty weight.
What is his actual profit or loss percent?

A

Gain, 11%

B

Gain, $$11\frac{1}{9}$$

C

Loss, $$10\frac{1}{9}$$

D

Loss, $$9\frac{1}{9}$$