I am buying X product from a manufacturer and selling that X product to my customers at 10 % profit margin. Recently, my competitor has also started buying same X product with same quality from same manufacturer at same price but he is selling at 2% profit margin. He is happily selling X product at 2 % margin despite customers will buy it even at 10% margin. He has spoiled the prices of X product in the market and also my customers. How to deal with it?