A fast-food outlet sells about 10000 quarter-pound hamburgers in a given week. To meet that demand, the fast-food outlet needs 2500 pounds of ground beef delivered to its premises every Monday morning by 7am sharp. (a) As the manager of the fast-food outlet, what problems would you anticipate if you acquired ground beef using spot exchange? (b) As the manager of a firm that sells ground beef, what problems would you anticipate if you were to supply meat to the fast-food outlet through spot exchange?