Answer:
It is a business letter written to find information.
Explanation:
this can be seen in the letter where writer is asking the department for help . it is clearly not a friendly letter because it is written to department where letters would be formal. third option is wrong because the letter is not asking to propose a change.
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Parallel structure is about the same grammatical structure being used at multiple places in the text. The correct answer is: <span> a) words, phrases, or sentences that have the same grammatical structure</span>