The point he was making as I recall reading it....was to show how much more effective the use of Tactical Assets in the Falklands was to the Black Buck Raid with all of its complexity.
If that was the case, having an entire Annex using numerous tables and calculations based up fuel cost was not necessary, talking about the millions of £ per bomb are a side track to the argument, or was he proving the point that it was an extravagant use of money?
I don't doubt there is a strong element of the later involved