28.A firm's short-run supply curve is given in the following table:

Output	Marginal Cost
1	50
2	100
3	150
4	200
5	250

The firm is selling its product in a perfectly competitive market, where there are 25 identical firms and the market demand curve is given bythe table below:

Price	Quantity Demanded
0	900
50	700
100	500
150	300
200	100
250	0

What is the market equilibrium price and quantity?