A monopolist produces a product with price, quantity sold and marginal cost as shown in the table below. The fixed cost is $50.

(a)If the monopolist need to sell at a standard price, determine the optimal quantity, the price, and the profit of the monopolist

(b)If the monopolist can practice perfect price discrimination, determine the optimal quantity, the price and the profit of the monopolist.

Price ($)	Quantity Sold	Marginal Cost ($)
100	1	20
90	2	30
80	3	40
70	4	50
60	5	60