In the context of collaborative buyer$-$seller relationships, which of the following is expected of salespeople?

a$.$ They must avoid interfering when buyers make purchase decisions.

b$.$ They must establish one$-$way communication with buyers.

c$.$ They must consistently demonstrate that they are dependable.

d$.$ They must reduce the number of interactions they have with buyers.

e$.$ They must focus on establishing short$-$term buyer$-$seller relationships.