tt2000 blows positive and negative why ?
Eliot5 the same
gm012 always negative
If you have a packet oil activa from 400 miljoen @oil price 100 USD
Impairment @ avg oil price 75 USD ( -25 % ) = 100 milj impairment on 400 milj.
But the packet oil is the same as before.
With higher oil price we get a "reverse impairmant"