International Commission on Irrigation & Drainage Commission Interationale des Irrigation et du Drainage



(9204) Separable costs-remaining benefit method, Green book method
It is identical with the method defined in 9141 except in one respect the method of alternative justifiable expenditure calls for subtracting the specific costs of each purpose from the benefit or from the cost of the alternative to derive the allocation base. This method subtracts separable costs instead, where these are defined to be the difference of the cost of the entire project and the cost of the same project without that purpose. Also known as `green book method`.

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