This needs more context. Is this amount of sales considered incredible, very good, average, below average or significantly below average in Yelp world?
It's one thing if the author was a top-notch performer terminated for family circumstances beyond her control, it would be a different story if she was under-performing, perhaps on internal probation, and termination coincided with a series of tragic family events.
Some companies are known to stack-rank and trim their sales force en masse.