FCE-part 2 Writing

FCE-Paper 2 is writing and lasts 1 hour and 20 minutes.This paper is in 2 parts and requires the student to write two different pieces of writing such as a letter,a report ,a review or an essay.Part 1 of the writing paper is compulsory and has a word count of up to 190 words.Part 2 is where students can chose from four tasks.The word count is the same.The writing paper is worth 20% of overall marks.A typical part 2 question could be as follows ......

Your flatmate has left you the following message:

That company you bought the mobile phone from online has just called - apparently you phoned them about problems you've been having with it. They'd like you to put your complaint in writing. They want you to explain what's wrong with the phone and what you'd like them to do.
TASK:write your letter of complaint to the company (140-190 words)
TIPS FOR THE WRITING!!!! 
Should give details of the purchase, explain clearly what the problem is and tell the company what action you would like them to take.

Communicative achievement
Formal register. The reader would be fully informed of the problem and would consider taking the action you request.

Organisation
Should have the layout of a formal letter with an appropriate beginning and ending. Should state the reason for writing in the first paragraph ('I am writing to complain about ...'). Should be divided into paragraphs but no more than three or four, including the opening and closing sections.
N.B. In the exam you do not have to write addresses.

Language
Language of description. Vocabulary relating to online purchases (special offer, latest model, under guarantee, full refund etc)
Should not contain major errors that lead to misunderstandings or that irritate the reader.