please solve question 2, 3, 4, and 5.

2. XYZ, Inc. has issued 2 million new shares of stock. An investment bank agrees to underwrite these shares on a best-efforts basis. The investment bank is able to sell 1.4 million shares for $34 per share, and it charges XYZ $0.75 per share sold. How much money does XYZ receive? What is the profit to the investment bank? What is the stock price of XYZ? 3. What is the adverse selection problem? How does adverse selection affect the profitable management of an insurance company? 4. ABC, Inc. has issued 3.25 million new shares of stock. An investment bank agrees to underwrite these shares on a firm commitment basis. The investment bank pays $12 per share, and it sets the IPO price to $16.75 per share. How much money does ABC receive? What is the profit to the investment bank? What is the stock price of ABC? Which auction structures are most beneficial to sellers (require bidders to bid their reservation price)? Which auction structures are most beneficial to buyers (allow bidders to bid below their reservation price