That’s way too much; as I did my own & so has a few of my friends.
The genuine Nissan fluid is around 10-12$ per quart & you’ll need 12-15qts. to do it well.
Shouldn’t be over 300 maximum, even with oem fluid
As I know dealerships are charging over $100 per hr now easy.
Keep bumping thread, as someone in your area will chime in on it