Smith Electronics reported the following information at its annula meetings. The company had cash and marketable securities worth $1,235,455, accounts payables worth $4,159,357, inventory of $7,121,599, accounts receivables of $3,488,121, notes payable worth $1,151,663, and other assets of $121,455. What is the cpomany's nert working capital? Please show your work. If excel is used please show fomulas.