Tinker Company reported sales revenue of $500,000 and total expenses of $450,000 (including depreciation) for the year ended December 31, 2010. During 2010, accounts receivable decreased by $5,000, merchandise inventory increased by $4,000, accounts payable increased by $6,000, and depreciation expense of $10,000 was recorded. Assuming no other data is needed and using the indirect method, the net cash inflow from operating activities for 2010 was: