Translate from English to Arabic language

Hello, I need some one who can translate educational questionnaires and articles (about 2000 words) from English to Arabic. A sample of previous work translating from English to Arabic is required. I will require you to translate one sample article some ensure quality. Payment will be in four instalments after check and received translation files and acceptance the final work: Instalment: you will be paid after each 500 words. This works be done and completed within 1 days MAXIMUM (started when you win the biding). Please no time waster. Don't bother bidding. I want QUALITY. Further information available upon request Thanks, Enjaz