The balance sheet of Binger, Inc. has the following balances:

Cash beg. balance 30,00 ending bal. 32,800

Accounts receivable beg. balance 48,200 end balance 51,600

Inventory beg. balance 126,500 ending balance 129,200

Net Fixed assets beg. balance 611,900 ending balance 574,300

Accounts Payable beg balance 43,200 ending balance 53,600

Long term debt beg balance 415,000 ending balance 304,200

1.What is the amount of the change in net working capital?

Please show and explain answer