What is left after the business reinvests in itself.
$20,000
$10,000
$10,000
subtracts the cash a company must reinvest in long-term assets just to keep operating, leaving what is genuinely available for debt, dividends, or growth.
divides operating cash flow by average total assets — 10.0% here — measuring how much cash a dollar of assets actually generates, independent of accrual accounting choices.