The Supplier Partnership Model emphasizes the importance of collaboration and strong relationships with suppliers. Which of the following statements is true regarding this model? a. The model encourages open communication, trust, and mutual benefits between the buyer and supplier. b. The model promotes a competitive and adversarial relationship with suppliers. c. The model focuses on short-term gains and cost reduction without considering long-term supplier relationships. d. The model disregards the need for supplier evaluation and performance monitoring