Help! Very confused, work in photo attached with all information included! What's blocked off is personal information that has nothing to do with the question, thanks!

1. A monopolist with total cost function c(Q) = 500 + ; Q- faces a market demand function of Q D(P) = 150 - 2P. a) Identify and give an example of four sources of monopoly power. b) Calculate the monopolist's profit-maximizing price and quantity sold, and the monopolist's profits