car still registered this year

have a few questions and needy times specialist help. still wants to register this month a (second) car. since I already have one to run with my insurance will be classified the second in sf 1/2 (date can be set to 1.7.07). have me online times the calculated and at the end always appear annual fee, then half and then quarterly. if I have to pay for this last half year what amount is that then (the half of the annual sum??) ? if unfa llfrei ist ja zum Jahreswechsel die gradierung in 85 % . does the 85% sum also refer to the annual contribution that has been announced here ? so 1200 in the year , half then 600 , quarter then 300 ( the small surcharges we leave on page !! ) . which sum must be paid for sf 1/2 ? then what does the bill for 85% look like ? I hope on you thx