Most of the top-rated companies hire public relations firms that are engaged in promoting products and services through news releases, brochures, media tours, and special events

These firms also conduct surveys to gauge public perceptions and attitudes.
Which statement justifies the assistance expected from PR firms by the companies?
a) They provide professional expertise in reaching communication to the public at a national and international level.
b) They advertise the company's products through certain communication channels.
c) They market the company's products by thinking only of customers or potential buyers as the key public.
d) They attract prospective clients by improving the company's image and brand value.

a