Common lossless compressed audio file formats include WMA and JIFF
WAV and AU
MP3 and MP4a
FLAC and ALAC

The answer to this question is given below in the explanation section. The forth one (FLAC and ALAC) is the correct option.

Explanation:

Common lossless compressed audio file formats include

Lossless compression formats include the common FLAC, WavPack, Monkey's Audio, ALAC (Apple Lossless).  Other options are not common lossless compressed audio formats.

i would first let him be aware that a cover letter is official and confidential and it requires a proper formatting so that the employer doesn't have hard time when going through it. he should write it in paragraphs of about two to four sentences and use proper grammar a , spelling and proper punctuation. i will also advice him not to be emotional and not also to use images.then base his attention to the details of the job described and not other things. that is he be specific to the responsibilities and to the employers requirements. on this he should make sure that the letter reflects how good he is for the requirements detailed by the employer

the letter should not be too long nor too short.