A detailed costing of the capital equipment based on individual costing for each unit operation and associated equipment. This cost should be cross-checked against costs estimated by one or more short cut techniques

The operating and raw materials costs should be estimated and used to produce a profit and loss account which predicts annual return on investment and payback time.

A running commentary should be used to explain the economic case and proposed profitability of the business. It should present a reasoned argument as to whether, on economic grounds, the project should progress or not.