Ravi’s customer comes to his store and starts shouting at him. He does not get angry. He listens to what his customer is saying. He is ____________.

What does he get from Anil in return for his work?

I did not mind what he was saying, he was only talking through his hat

A trader sells 20 kg of sugar at Rs.400 . A customer asks 20% discount and he agrees to it but instead of 1kg he gives 4% less sugar. What is the effective discount that the customer gets?