A top-down approach is found among companies with strong engineering orientations, pharmaceutical and biomedical firms, financial services, and many high-technology companies. The internal R&D team has expertise that the end users lack. It creates cutting-edge products (e.g., a new computer, pill, mutual fund, TV ), with advanced technological benefits and advantages that seem so obvious to the experts that the team believes the product will sell itself. Which is not true about a top-down approach? a. Feedback from customers and suppliers is sought later in the process. b. This approach is referred to as "co-creation" (with the customer). c. The ideas come from within the company. d. If feedback is obtained from customers, it can be a good approach