Answer the following question in short answer form using the concepts you learned from reading the chapter on Torts.

Joe went to Sullivan's Mushroom Market to pick up a few items for dinner. It was a cold and snowy day, and the wind had blown a bit of snow and ice through the markets front door each time that it opened when a customer walked in$.$ As Joe entered through the door, he slipped and fell in the snow and ice that had accumulated on the floor. The manager of the market knew of the weather conditions but had not posted any sign to warn customers of the potential hazard. Joe injured his back as a result of the fall and sued the market for damages. Can Sullivan's Mushroom Market be held liable for negligence?

Be sure to address what the elements of negligence are in your response.