Article Writer - 300 Articles per Month

I am looking for someone capable of writing 10 articles per day / 300 articles monthly. I'll be providing the keywords and you must write the article around those keywords. The keyword density should be around 3-4%. The keyword must be once in the title, and once in the first paragraph. The articles must be unique - pass copyscape -, not sold to anyone else and must be in a understandable english. Each article must have 400-500 words. Payment: I won't be paying more than 1$ per article. Preferably payout is 0.50$ / article - which is 150$ monthly.