Which of the Following Was the Result in Burlarley V

Which of the following was the result in Burlarley v.Wal-Mart Stores,Inc.involving whether an employer may be held vicariously liable for injury to a customer caused by an employee who was joking around during her shift and threw items in the plaintiff's face?

A) That liability on the part of the store existed because the store lacked a policy discouraging joking with customers.
B) That liability on the part of the store existed because the wrongful acts occurred within the employee's scheduled working hours.
C) That no liability on the part of the store existed because the store did not have a policy encouraging joking with customers.
D) That no liability on the part of the store existed because the cashier acted for personal reasons, not in furtherance of any duty owed to the store.