Indicate whether a debit will increase (I) or decrease (D) each of the following accounts listed in items 1 through 15. 

Increase (I) or Decrease (D) Account 1. Inventory Depreciation expense Accounts payable Prepaid rent 2. 3. 4. 5. Sales revenue 6. Common stock 7. Salaries payable Cost of goods sold Utilities expense Equipment Accounts receivable 8. 9. 10. 11. 12. Utilities payable 13. Rent expense Interest expense 14. 15. Interest revenue