Select all that apply Which of the following statements are true of informal groups? Multiple select question. They form as a result of the actions of employees. They can have a positive or negative impact on organizational performance. They are formed to carry out assigned jobs and tasks. They are sanctioned by management. They are built around friendships and common interests.Select all that apply Which of the following are the important aspects of the reward system of an organization? Multiple select question. Stock options Fixed-interval reinforcement Raises Training and coaching