What is the role of public relations in the formulation of the marketing mix? Provide specific examples to support your response.Sources (If you want to use)https://ebookcentral-proquest-com.ezproxy.snhu.edu/lib/snhu-ebooks/reader.action?docID=1652024https://eds-b-ebscohost-com.ezproxy.snhu.edu/eds/detail/detail?vid=0&sid=a54d0513-23ba-4764-8998-0a551a7e611d%40pdc-v-sessmgr02&bdata=JnNpdGU9ZWRzLWxpdmUmc2NvcGU9c2l0ZQ%3d%3d#AN=edsbig.A206693009&db=edsbig