A better (fairer?) answer would probably be a figure in-between the 2 amounts quoted. So maybe a much lesser $$ amount , charge for installations where software

A better (fairer?) answer would probably be a figure in-between the 2 amounts quoted. So maybe a much lesser $$ amount , charge for installations where software was installed but not used. The $154K amount is the (discounted) loss for all the PCs where software was actually used. ( In my mind raises very interesting questions where other similar electronic goods, books , moves are copied but never looked at )