Steel City Cruise is acting as a monopolist. Market demand for cruises is given by the equation P = 1000 - Q and the total cost function for the monopolist is given by TC = 1000 + 100Q + (1/2)Q2. What will be Steel City Cruise's profit if the firm acts as a monopolist? Suppose that Steel City Cruise can magically engage in first-degree price discrimination. What will be Steel City Cruise's profit in this case?