You get paid as an E-5 with less than 2 yrs service. That is 1,625.40 per month. If you are married, you get BAH for your home of record, which varries from $600-$2000+ depending on location. If you are prior service, you get at least E-5 at (x) time in service, or whatever enlisted pay grade you were at if E-6 or higher.
Now that I have confused you thoroughly, you also have several options once you complete PLC Jr. Ask your OSO for specifics, because some obligate additional time to your contract. If you are planning to be a lifer, take it all!