Anu, sells aiticles A and B for ₹4,000 each, with no loss or profit in the entire transaction. If A is sold at a 25% profit, then B is sold at a loss of:

A

$$15\frac{1}{2}$$ %

B

$$25$$ %

C

$$20$$ %

D

$$16\frac{2}{3}$$ %