2008 sales are expected to be $30 million ($20 million 2007 sales × 1.5) and 2008 net income is expected to be $4.5 million ($30 million 2008 sales × 15%). 2007 non-cash operating working capital was $4 million ($20 million 2007 sales × 20%) and 2008 non-cash operating working capital is expected to be $7.5 million ($30 million 2008 sales × 25%). 2008 operating cash flow is expected to be $4 million ($4.5 million 2008 net income + $3 million 2008 depreciation – $3.5 million increase in non-cash operating working capital). Forecasts for small firms, start-ups, or firms operating in volatile industries may be less reliable than a forecast for a large, well diversified, firm operating in mature industries.