Which option exemplifies marketing to increase consumer perceived value by increasing a psychological benefit?

A$)$ Crocs shoes implements a marketing campaign featuring young celebrities that causes its target market to associate its shoes with desirable attributes fashionable, trendy, and ironic.

B$)$ Crocs shoes gives customers free shipping on all orders.

C$)$ Crocs shoes offers a one$-$time $10\%$ discount code to people who sign up to receive emails.

D$)$ Crocs shoes switches to an upgraded polymer that is more durable and stain resistant.