what might the reason be for the (300) negative operating cash flow noted in company A and B?

AAVE LULLAVALO ULUU V Cash Flows dood blood A BC Villalongan to di et Cash Flow from Operating Activities -300 -300 300 Son you Het Cash Flow from Investing Activities -900 -30 -90 Jet Cash Flow from Financing Activities 1200 210 -240dno moritong gi "ash Balance at the beginning of year 150 150 150 1200 what might be the reason for the (300) in A & B. 2012 balance at the end of the year. 000,0892