Net income was $64,900; accounts receivable increased by $16,250; inventory decreased by $7,750; proceeds from the issuance of common stock were $21,250; accounts payable decreased by $5,550; purchase of land was $70,000; depreciation and amortization expense was $28,000. Required: Calculate the net cash provided (used) by operating activities for the period. Note: Amounts to be deducted should be indicated with a minus sign