State whether Weyerhaeuser uses the direct or indirect method of reporting cash flows from operating activities in the statement of cash flows. Explain how you know this. Also, for the following line items describe why it is added or subtracted from net income in arriving at Net cash from operations. a. Depreciation, depletion and amortization: $472M is added back. Why? b. Change in Receivables: $141M is subtracted. Why?