What is the net change in non$-$cash working capital that would appear on the cash flow statement given the following:

I$)$Increase in cash of $$500$

II$)$Increase in accounts receivables of $$800$

III$)$ Decrease in inventories of $$350$

IV$)$Decrease in prepaid expenses of $$225$

V$)$Increase in PP&E of $$950$

VI$)$Increase in accounts payable of $$400$