✅ The verified answer to this question is available below. Our community-reviewed solutions help you understand the material better.
Pumi and Susan work together at a nail salon. They have become very close friends and even started a lift club. The reason for starting the lift club is to help each other with transportation of their children to and from school. This means that Pumi and Susan are taking turns transporting their children.
Which of the following group types has Pumi and Susan established?