The balance sheet of Downtown, Inc. has the following balances: Beginning Balance Ending Balance Cash $ 46,900 $ 51,400 Accounts receivable $132,400 $118,800 Inventory $254,600 $231,100 Net fixed assets $899,500 $901,500 Accounts payable $396,500 $408,800 Long-term debt $904,000 $990,000 What is the amount of the change in net working capital? (Must show work to receive all 10 points)