Originally Posted by radonc1

Usually the problem is that the CSR puts in more than the GC has on it (for example, she enters $600 when your GC has a balance of $500). If she says she put in only $200, then call and make sure that your GC has $200 on it.
I have had several occasions where the CSM just didn't and couldn't get it (a pretty rural WM, TBH), and I had to say thank you and depart without a MO. It does happen, unfortunately. (I then go another time with another CSR and usually they get it right. )

Finally, you could just go with single swipes of $199.12 and get 3 separate MOs with some residual on the final GC. A bit more expensive but it should get you the MOs you need for school.I would do this if there were no other WMs near me.