TEE Inc. reported a net income of $12 million and a depreciation expense of $2 million. During the year, the change in inventory on the balance sheet was a decrease of $4 million, change in accrued wages and taxes was a decrease of $1 million and change in accounts payable was an increase of $3 million. At the beginning of the year, the balance of accounts receivable was $5 million and at the end of the year was $ 7 million? What was the net cash flow from operating activities last year? $ 21 million O $17 million $ 22 million $ 19 million