The correct answer is A. To show the author's previous experience in this field.
Explanation
The letter is a means of communication through which one person or institution communicates with another. Letters are a means of sending or receiving a message. For a long time, letters written on paper were used and over time, they were transformed to become a digital medium. Like any other writing, letters must have a specific objective, for example, to inform, explain, describe, among others. In this case, the letter is written by one person to inform another of her experience in the retail area where she mentioned the three previous experiences she has had in the retail field. Therefore, it is possible to affirm that this letter has the purpose of showing the previous experience of the author in this field. So the correct answer is A.
