Which of the following is a difference between low$-$quality and high$-$quality LMX relationships?

Leaders put more effort into developing low$-$quality relationships than high$-$quality relationships.

High$-$quality relationships are informal and develop more quickly than low$-$quality relationships.

Low$-$quality relationships are strictly an economic$-$based exchange relationship, whereas high$-$quality ones tend to be more social.

Low$-$quality relationships are always new and take time to evolve, whereas high$-$quality relationships are older.