Can you please respond with your handwritten work and not type up your work? It's hard for me to understand your work mathematically if you type it out.

2.1 If a monopoly faces an inverse demand curve of p = 90 Q, has a constant marginal and average cost of 30, and can perfectly price discriminate, what is its profit? What are the consumer surplus, vvel- fare, and deadvveight loss? How would these results change if the firm were a single-price monopoly? (Hint: See Solved Problem 12.1.) M