Ontario Highway Traffic Act

hi ,

I got a speeding ticket couple of days before, here are the details:
1. 150 km/hr in a 100 km/hr zone(highway 401 west near Kingston )
2. Set Fine of $294 with total payable fine of $359 under Highway traffic act sec 128

My questions:
1.Can this be considered a fatal error as the fine on the ticket is for overspeeding by 49 km/hour?

2. If ...