What is the net cash flow from operating activities? 1) worked and got paid $45,000 2) paid this month's cleaning expense $5,000 3) paid a dividend to stockholders $3,000 4) purchased a building for cash $27,500 5) issued stock $15,000 6) borrowed cash from bank $20,000 7) paid this month's insurance $8,000 8) purchased supplies for cash $6,000 $29,000 $26,000 $37,000 $30,500 $23,000