Sometimes, a small mistake will invite question if the information processing facilities are producing accurate result without malicious tempering.
The illustrated sales price might be just input manually, or generated from system as per scheduled price promotion. No matter which scenario, either a broken business process (lack of review, approval to publish) exists, or automated consistency check is missing.
With such small mistake goes into publicity, it will require a lot of PR effort to reassure this is an isolated case and not affecting the other back office application like customer data, staff personal data, financial records etc.