Molly is the director of a special events company that plans and implements large promotional events for companies. Most of the entertainment, catering, and other services are staffed in-house, but the company has taken on more events in one month than it can staff or supply from the company's warehouse. What buy-side models would you advise Molly to implement? Select answer from the options below Molly should use a vertical exchange reverse auction to obtain the additional supplies her company needs and a functional exchange to hire temporary labor to staff events. Molly should use a functional exchange to hire temporary staff and obtain supplies. Molly should use group purchasing to obtain the additional supplies her company needs and a vertical exchange to hire temporary labor to staff events. Molly should use a reverse auction to hire temporary staff and obtain supplies