You're in a negotiation aimed at forging a partnership with a supplier who is wary because of previous unfavorable dealings. Which of the following approaches should you not use to alleviate their concerns and foster a positive working relationship? Propose a trial period to build trust. Offer references from current partners. Share success stories of overcoming similar challenge. Guarantee minimum purchase orders for a set period.

The approach you should not use to alleviate the supplier's concerns and foster a positive working relationship is to guarantee minimum purchase orders for a set period. This approach can create a sense of obligation and pressure on the supplier, which may not be conducive to building trust and fostering a positive working relationship. Instead, you should focus on proposing a trial period to build trust, offering references from current partners, and sharing success stories of overcoming similar challenges. These approaches can help to demonstrate your commitment to the partnership and provide evidence of your ability to deliver on your promises.