I kinda need help on this I'm very confused

Profit Maximization Exercise 1 (Algo) The table below shows the marginal revenue and costs for a monopolist. Demand, Costs, and Revenues Price (dollars) Quantity Demanded Marginal Revenue (dollars) Marginal Cost $78 (dollars ) Average Total Cost 100 $78 (dollars $25 73 $139.00 200 68 68 103.30 68 300 58 56 87.50 63 400 48 82 86.08 58 500 38 76 53 84.00 600 28 48 78.00 Instructions: Enter your answers as a whole number. If you are entering any negative numbers negative sign (-) in front of those numbers. a. What is the monopolist's profit-maximizing level of output? Instructions: Enter your answers as a whole number. If you are entering any negative nu negative sign (-) in front of those numbers. a. What is the monopolist's profit-maximizing level of output? units b. What is the monopolist's profit at the profit-maximizing level of output? $