Net income was $55,500; accounts receivable increased by $14,250; inventory decreased by $7,350; proceeds from the issuance of common stock were $18,300; accounts payable decreased by $4,850; purchase of land was $60,500; depreciation and amortization expense was $24,200. 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