A$.$ Entail unusually large uncertainties about the technology or market. The development process takes steps to address those uncertainties.

B$.$ A firm with a new proprietary technology seeks out a market where that technology can be applied.

C$.$ Use a repeated prototyping cycle. Results from one cycle are used to modify priorities in the ensuing cycle.

D$.$ The production process has an impact on the product properties. Therefore, product design and process design cannot be separated.

Products are designed and built around a pre$-$existing technological subsystem.