One of the major drawbacks of online shopping is the lack of instant gratification because consumers must wait for their products to be delivered. One of Amazon’s recent innovations is the development of unmanned aerial drones that allow Amazon to provide its customers with faster delivery service—in some cases, 30-minute delivery. This innovation in supply chain management serves as an example of innovation driven by an understanding of the_____


a. manufacturers

b. customer

c. cost structure

d. stakeholders

e. wholesalers