Terral Prime; an auditing firm, purchases a management informaton system called Alpha Duo. Most of Terral's employees ace unfomalar with the functional aspects of Alpha Duo, and management decides to approach external trainers to train its employees. Robeceo, the company's training coordinator, is tasked with finding suitable trainers. Rebeeca sends an email, with a document outlining the company's training requirements, to muliple vendors and asks them to provide suitable trainer protiles and cost quotes. What is the document called that Rebecca sends out to training vendors