Answer:
Option c and e
Step-by-step explanation:
In simple words, Proper telephone etiquette becomes vital to business success as it is typically a consumer's initial point of contact so that reflects how your management will handle them in those other communications. Ensure sure any consumer that calls your company gets a perfect, lasting experience.
Thus, one should talk to the client politely and be professional during the talks as it makes a positive impact of personality on the client.