The strategic sourcing matrix: a. is use by few companies b. included categories of bottleneck, expensive and leverage items o c. a company classify its purchases by considering complexity of the market and importance of a category d. only b and c e. all of the above f. none of the above according to the strategic sourcing matrix, complexity of the market focus on a. how much you spend on an item d b. how many buyers are assigned to a category c. external market factors like risk d. the importance of the category e. all of the above f. none of the above 10 the use of a purchasing consortium is most appropriate for: a. routine items b. leverage items c. bottleneck items d. strategic items e. it is never appropriate-it is a violation of competition