Final answer:
A printed message is preferable when aiming to make a formal impression, such as in professional business letters that convey seriousness and professionalism, distinguishing from the immediacy and casual nature of electronic media.
Step-by-step explanation:
In considering the scenarios presented, you would choose to use a printed message over electronic media when you want to make a formal impression (Option B). While communicating across distances (Option A) is convenient via electronic media due to immediacy, a printed message carries a level of seriousness and formality that electronic media often cannot match.
For instance, sending a business letter conveys a level of professional etiquette and permanence. Such formality can be crucial when contacting companies, institutions, or politicians. In contrast, establishing a close interpersonal relationship (Option C), requiring interactive discussions (Option D), or seeking cost-effectiveness (Option E) may better suit electronic communication, as it provides immediacy and a more casual interaction which can be beneficial for building rapport or managing interactive conversations economically.
Moreover, consider the possibility of your message being seen by unintended recipients. A carefully crafted printed letter minimizes the risk of misinterpretation and maintains a professional tone, which may be necessary for certain audiences or situations where confidentiality and impression management are key considerations.