QUESTION 20 An accounting document that includes a list of accounts and their debit or credit balances at the end of a period is called a O a. chart of accounts. O b. trial balance. c. general journal. O d.general ledger. QUESTION 21 Which of the following statements about common stock is false? O a. It is a component of owners' equity. Ob. It requires a cash contribution by investors. Oc. It does not have to be repaid to investors. Od. It represents a source of financing. QUESTION 22 An income statement O a. presents the revenues and expenses for a specific period of time. O b.summarizes the changes in retained earnings for a specific period of time. O c. reports the changes in assets, liabilities, and stockholders' equity over a period of time, d. reports the assets, liabilities, and stockholders' equity at a specific date.