In this context, we include labor cost as part of operating cost.
Indirect benefits are the ones resulting from, and directly related to, the first benefits.
Most of the above benefits can be seen by simple observation, over time, by operating personnel, or by simple stack gas tests. This is the measure of total fuel heat input, expressed in Btu, divided by the net busbar power leaving the power plant, expressed in kWh. You may give each page an identifying name, server, and channel on the next lines.