Which of the following statements is incorrect?

A$.$ Product design refers to either a physical, manufactured product or a service.

B$.$ Design greatly affects operations because existing processes and products can constrain the technology available for new products.

C$.$ A technology pull strategy occurs when a company invents a process $($e$.$g$.,$ equipment, technique$)$ that no one else possesses.

D$.$ With a technology push strategy, the company is able to create a unique product that marketing must sell to its customers.