Riverbed Corporation had the following 2021 income statement data: Sales Cost of goods sold Gross profit Operating expenses (includes depreciation of $20,140) Profit $201,670 120,000 81,670 49,030 $ 32,640 The following accounts increased during 2021 by the amounts shown: Accounts Receivable, $17,270; Inventory, $10,210; Accounts Payable, $13,270; Mortgage Payable $40,000. Prepare the cash flows from operating activities section of Riverbed's 2021 statement of cash flows using the indirect method. (Show amounts that decrease cash flow with either a-sign e.g.-15,000 or in parenthesis e.g. (15,000).) Riverbed Corporation Statement of Cash Flows (Partial) (Indirect Method) Adjustments to reconcile profit to