On the purchasing$-$supplier satisfaction model, if the perceptions of buyer and supplier fall along the $$fairness or stability$$ diagonal line, this means $\_\_\_\_\_\_\_\_$blank.

Multiple Choice

both parties are satisfied with the relationship

both parties are unsatisfied with the relationship

one party is satisfied and one party is dissatisfied

one party is better off in the relationship than the other party

both parties are at least equally well$-$off