For Each of the Following Situations, Select the Best Answer

For each of the following situations, select the best answer concerning information forms filed with the SEC:
(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 external auditor.