Hello, I need help with 17, 18, 19, and 20

Thank you :)

Question 17 Which of the following is TRUE? Preferred stockholders receive dividends before common stockholders. None of the other answers are true. Common stockholders receive dividends before preferred stockholders. Both types of shareholders have equal rights to receive dividends. Question 18 What kind of account is Unearned/Deferred Revenue? Revenue Asset Expense Liability Question 19 Which of the following would cause an increase in the amount of cost of a truck? An oil change New engine and transmission New tires None of the other answers Question 20 A bond sold to the market at 5% and it pays a 6% stated rate. This issue is considered: None of the other answers e Par A premium A discount