Alfonza Incorporated presents its statement of cash flows using the indirect method. The following accounts and corresponding balances were drawn from the company’s 2017 and 2016 yearend balance sheets:

Account Title 2017 2016
Accounts receivable $ 15,000 $ 20,000
Accounts payable 8,750 9,200
The 2017 income statement showed net income of $25,400.
Required
Prepare the operating activities section of the statement of cash flows. (Amounts to be deducted should be indicated with a minus sign.)