Although Employees at a Local Grocery Store Are Satisfied, They

Although employees at a local grocery store are satisfied, they seem unmotivated. The store manager has several ideas on how to increase his employees' motivation. Which of the following is the best choice?

A) change the employee dress code to allow shorts in summer months
B) have weekly team-building activities to strengthen interpersonal relationships
C) increase workers' hourly pay
D) create an employee-of-the-month program