The only problem I have is tht when they review our premium they dnt use the market value ov a car , they use purchase value

The only problem I have is tht when they review our premium they dnt use the market value ov a car , they use purchase value. It ws so disturbing when my premium jump in June jump from 500 to 700 while the motor vehicles values always depreciate. But today I hope it has been sorted out. Please review. Thnx