During the purchase of new tooling at Acme Tool and Die, which of the following is an example of a gatekeeper? A. Sara, a purchasing manager, arranges the terms of the sale. B. Ross, from R&D, supplies information for evaluating alternatives. C. Charlotte, in manufacturing, has the power to select or approve suppliers. D. Andre, a research assistant, gathers and distributes information about alternatives. E. Rita, from the manufacturing floor, will use the new tooling