Hello, I please need help with 10, 11, 12, and 13

Thank you :)

Question 10 Which of the following represents the maximum shares of stock that the company can issue to the public? Issued shares Authorized shares Outstanding shares Treasury shares Question 11 Which of the following represents the total number of shares sold to the public? Outstanding shares Issued shares Treasury shares Authorized shares Question 12 2.5 The balance sheet of WYZ Company showed the following data about its common stock, par $1: authorized shares, 10,000,000; outstanding shares, 400,000; and issued shares 400,000. Therefore, the number of treasury stock shares was 400,000 4,300,000 4,700,000 OO Question 13 Which of the following is a "contra" stockholders' equity account? O Treasury stock Preferred Stock Contributed capital in excess of par Retained earnings