What is true regarding the role of the designer in product development? (plato fashion design)

a.
the designer is solely responsible for all aspects of garment design in an organization.
b.
the designer must apply all of the principles of design to achieve emphasis in design.
c.
the designer sometimes moves away from conventions to create interesting designs.
d. the designer and the fabric merchandiser research and analyze fabric trends.
o e.
the designer creates exciting fashion lines using symmetrical balance in designs.