What does 30% mean in

... cash terms ?

 
If your monthly charge is ...
Click heading to find out more
BT or other landline provider
£25
£50
£150
£500
£18
£35
£105
£350
annual savings
£84
£180
£540
£1800
So in real terms
it could mean
6 months Road Tax
Weekend Break in Europe
Christmas Party
Advertising Campaign