Omega-B 2.0 16V how much difference between 1mon. Tüv and 2years Tüv?

Hello guys, Even if a stupid question, I’m interested in the value difarenz so how much extra money, omga B 2.0 16V with 1 month tuv and 2 years tuv!? Example:Omi with 1mon. tuv=120€ :Omi with 2 years tuv= ca.? € MFG Reflection