Yes, there are a small number of places to sit, but this is primarily a take away venue.

Yes they definitely do 🙂

Reasonably expensive. Starts at $5 for small, about $5.50 for one scoop cone and $15 for a 500 ml tub.

Sq1 car park behind the Pig and Whistle, directly across the road

Probably best to contact the shop directly (e.g. use their website) since they probably don't monitor questions on Maps.