NANO calculate ending cash balance cash flow data: 1. cash payments of dividends $4000 2. buyback of ordinary shares $1100 3. impairment of goodwill $1000 4. sales of equipment $2950 5. purchase of land $6200 6. cash payments to suppliers $8800 7. cash collection from customers $29000 8. cash at beginning of the year $8000 9. purchase of equipment $2300 10. inventory written off $200 11. cash payments of salaries $2400 12. cash payment of interests $750