Welcome! I am also new in the forums, but I can tell you it is a very helpful and friendly community. Enjoy your new MPGs!
Do you mind disclosing what you paid? Just curious... mine has the exact same miles as yours and is a 3.
The indoctrination is complete! One of us, one of us... Just kidding, welcome aboard! I'm new here too, but have been gleaning useful advice on my prius c.