sold for $30, this is the cash inflow $30 new fixed asset is 100. this is cash outflow 100 total cash flow is 30-100=--70 means cash outflow 70 or spend 70 original cost means how much you bought the asset ,not current cash flow.deprecation will affect the cash flow, but in our case, it is not ,because we do not depreciate te asset this year. gain from asset disposal"in the income statement is $10 this is not useful information. means we bought asset for 80 depreciation 60, the asset book value should be 20 , we sold it for 30, so gain 10. this is not cash flow. it just reflect on income statement or balance sheet~~book value |