Restaurants may be quietly inflating your tip — and diners are starting to notice

Restaurants have long relied on social etiquette to guide the way people tip. 

But as digital payment systems increasingly suggest gratuities automatically, a new debate is emerging: Should those tips be calculated before or after tax?

The question has drawn attention following controversy at a Dave & Buster's location, where suggested tips were reportedly applied to the post-tax total. Fox News Digital reached out to the Texas-based company for comment.

While the incident sparked online backlash...