*Exercise 4-21 Extending adjusted account balances on a work sheet LO7 These accounts are from the Adjusted Trial Balance columns in a company's 10column work sheet. In the blank space beside each account, write the letter of the appropriate financial statement column to which a normal account balance should be extended. a. Debit column for the income statement. b. Credit column for the income statement. c. Debit column for the balance sheet and statement of changes in equity. d. Credit column for the balance sheet and statement of changes in equity. _______ 1. Roberta Jefferson, withdrawals _______ 2. Interest income_______ 3. Accumulated depreciation, machinery _______ _______ _______ _______ _______ _______ _______ _______ _______ _______ _______ _______ _______ 4. Service revenue 5. Accounts receivable 6. Rent expense 7. Depreciation expense, machinery 8. Accounts payable 9. Cash 10. Office supplies 11. Roberta Jefferson, capital 12. Wages payable 13. Machinery 14. Insurance expense 15. Interest expense 16. Interest receivable