letter of complaint minimum of one page in length

After reading “Career Fair Networking Guide,” pg. 19. and “Internships Overview”, pgs. 29-30., which i have uploaded in the pdf file below,

write a letter to a real company complaining about a faulty or low-quality product. Criteria: clearly addresses audience and purpose and use of appropriate tone. The letter must be in business letter format. Make sure you include contact information, phone number or email address.