What is the net cash flow from operating activities? 1) purchased supplies for cash $6,000 2) paid this month's cleaning expense $4,500 3) paid a dividend to stockholders $5,000 4) purchased a building for cash $27,500 5) issued stock 6) borrowed cash from bank 7) paid this month's insurance 8) worked and got paid $15,000 $20,000 $3,000 $40,000 $27,500 $29,000 $21,500 $37,000 $26,500