Should I just quit or do a two-week notice?

So I am currently waitressing at this restaurant that is a little higher up in class. In the beginning everything was going smoothly, but now I feel like I did something wrong and no one is telling me & I feel this way because it seems that the managers are constantly in a bad mood towards me and act like I can't do anything right. I've had a few insistence where I literally (not trying to sound like I'm all goody goody) but did all the work that had to be done one day and after standing for 5 min I get yelled at and as we were having a meeting was pointed to when my manager was saying "then there's some people who don't do anything at all" which really hurt because she wasn't there all day to see what I had done. Then there was another incident where Me and another girl were doing a party of 40 people and by time the night came our tip came to 177 and since "she was there 2 hours before me" she got more than me. Well I ended up only getting 47 of the 177 and she got the rest. Now I would've understood if she got like 20 more than me but 80 more was unfair (personally) so I am applying for a job that has already called back and pays 8.50 an hour (I want it) should I just quit like the other girls have or should I put in a two week notice? There have been many other problems at work but no one has came to me to help try and correct whatever reason is causing them to be mad at me.
Should I just quit or do a two-week notice?
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