I do not know where to start with this question...please help!

4. A firm 's short-run supply curve and market demand curve are given in the following table. The firm is selling its product in a perfectly competitive market, where there are 100 identical firms. What is the market equilibrium price and quantity? (6 marks) Short-run supply curve Out ut 2 3 4 5 Mar inal cost 50 100 150 200 250 Price 50 100 150 200 250 Market demand curve anti demanded 700 500 300 100