4. Suppose the sellers from the previous problem, Sanghee and Deoksu, merge into a single monopolist instead of competing with one another. Theilr still face a demand curve given bv P=3DOCL where Q isthe total quantity oftempered glass they sell. The cost function is C{Q]=3Q. similar to the previous problem. a. Write down the monopolist's prot function {2 point] b. Find the firstorder condition for profit maximization. {:1 points} c. Find the profitmaximizing price and quantity. {6 points) d. Calculate the maximum profit for the monopolist. How does this maximum profit compare to the total profit for both firms in the Cournot market in the previous problem? {4 points) e. Calculate the consumer surplus in this market. [4 points]