The balance sheet of midwood medical supply showed the following : accounts receivable ,$5000 ;accounts payable ,$6000 ; inventory ,$3000 ; and unexpired insurance ,$2000. The company reports net income of $79000 for this year , including depreciation expense of$5000 ,and uses indirect method of computing net cash flow from operating activity. Based on the info above , net cash flow from operating activity is : A. $78000 B. $82000 C. $77000 D. $80000 please show me detail ... Thanks