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.)