Springfield's Kwik-E-Mart had the following balance sheet account values. What effect did the change in net working capital have on the firm's cash flows for the current year? Enter any net source of cash as a positive number and any net use of cash as a negative number.

Current Year Cash 157 Accounts receivable 364 Inventory 857 Accounts payable 657 Prepaid Expenses 350

Prior Year Cash 105 Accounts receivable 301 Inventory 843 Accounts payable 672 Prepaid Expenses 250