brian -what extension was that? these are the extension fees 21 days to 59 day
P3030

59 days to 4 months

P4830 extension
usd $50 for ACR-I card
P500 express lane fee for ACR-I card


4 months to 6 months
P2830

6 Months to 8 months
P4240

Every 2 month extension from 8 months to 16 months
P2830

Every 2 month extension from 16 months to 48 months

P2830 extension
P1010 motion for consideration
so looks like u got the 6-8 months? there is no reason they should charge you any more than the amounts stated unless you didnt apply on time