List the section of cash flow statement (Investing, Operating, or Financing) for the below accounts

Cash

Accounts receivable

Allowance for doubtful accounts

Inventory

Buildings

Accumulated depreciation-buildings

Equipment

Accumulated depreciation-equipment

Investments

Patents Total Assets

Accounts payable

Dividends payable

Short-term Note Payable

Long-term notes payable

Common stock

Retained earnings

Total liabilities and Equity