For each of the following situations, identify the type of form to be filed with the SEC for disclosure purposes: (A) Form 10-K (B) Form 10-Q (C) Form 8-K (D) Not required 1. A unique or significant happening 2. Annual information required by Regulation S-X. 3. Changes in control of the registrant. 4. Interim financial statements. 5. Fourth quarter income statement. 6. Bankruptcy. 7. Annual information required by Regulation S-K. 8. Income statement for the current quarter, year-to-date, and comparative periods in the previous year. 9. Changes in bookkeeping staff. 10. Changes in the registrant's independent auditor