We had exactly the same issue at the Secret Wiltshire Airbase in the early 90s. On the acquisition of a colour photocopier the nav would plan the route and we pilots would make a copy each rather than use 3 LFCs. Then we were told not to make copies as they came out of the station’s budget whereas LFCs came ‘free’ from AIDU’s, despite each one costing around 10 times more…