Answer:
It provides professional expertise in communication to reach the public at the national and international level.
Explanation:
The statement that justifies the assistance expected from PR firms by the companies is that it provides professional expertise in communication to reach the public at the national and international level.
Public relations firms help blue chip companies to promote their products and services by using their expertise to:
1. Project and sustain a desirable corporate image which builds brand reputation
2. Release messages on newspapers and social media that guides public perception of a brand
3. Creates overall awareness of a brand nationally and internationally.