You've just finished the SIM Retailing lesson for promotion. Describe the benefits and effectiveness of promoting/advertising as opposed to not engaging in the practice.
Take a moment to think of all the ways you communicate with friends, family etc. Whether it is by phone, texting, email or other means. These are typically used in informal communications but when communicating formally you will use a letter. To the best of your ability explain why the letter format is used in business for communication purposes.