A project to improve internal IT help desk services at Worldco Bank, which operates internationally with offices in Europe, North and South America, has been initiated. Laura, the chosen business…

A project to improve internal IT help desk services at Worldco Bank, which operates internationally with offices in Europe, North and South America, has been initiated. Laura, the chosen business analyst, is now faced with undertaking requirements elicitation from all the business heads spread across the Worldco territories. Laura's initial focus in on quantitative information. Her manager is looking for the initial requirement set to be established quickly and cheaply. Which approach SHOULD. Laura use for initial requirements elicitation?