it is not new. Everybody including me have faced this trauma.
Doing just a MBA is not just everything.
If she has not met the targets it only means she can't sell even a Saving's account, forget big deals. Please undesrtand that job is not bed full of roses. I am in IT sector, and i find none of them are satisfied. It might because of salaray or promotion or ....they have a reason to be uncomfortable with their company.