Prices will vary due to location and the number of shops in competition.
Take it to a shop and get a detailed estimate. It should state what they are going to do and the parts they are going to replace.

Then take it to another shop and get a quote from them. Compare the two and it will give you a good idea of what all is involved.

And no, this isn't an $800 repair job so be prepared.

Our Mazda3 hatchback had a similar hit. Ours had small creases at the top of the C pillars and a dent in the hatch. Bumper cover and support beam ruined. Floor own looked straight. Insurance called it $3,700 in damage.

I bought a junk yard bumper and Tamco paints and primers and tackled the repair for about $1,000. Good enough for a 12 year old car in my case.

This car needs an appointment with Mr. frame machine before you start drilling panels. If you plan on keeping the car for yourself, and don't care about the repair quality, you may be able to get the trunk latch in the right position with the right porta jack set up, some hillbilly engineering, and a ton of seam sealer. I don't recommend this.