You, sir, are a retard.
If it was 4u I would have been, slightly, less pissed off. In 4u it was a 3 hour paper already, meaning it would be a 12th of the time added. In 3u it was an 8th of the time, or (if time: mark ratio were even) 10.5 marks out of 84.
THAT IS A LOT OF TIME! In an exam...