Working capital: Laurel Electronics reported the following information at its annual meetings: The company had cash and marketable securities worth 1,305,449, accounts payables worth 4,188,061, inventory of 7,893,603, accounts receivables of 3,458,080, short- term notes payable worth 1,224,947, and other current assets of 123,457. What is the company' s net working capital? Round your answer to a whole number. Cash flows: During 2017, Towson Recording Company increased its investment in marketable securities by 42,767, funded fixed-assets acquisitions of 124,548, and had marketable securities of 13,891 mature. What is the net cash used in investing activities