No. of articles needed within a month = 300 articles.
word count:- 400 words
Pay per article:- $4.
All articles should --
1) not have any grammatical mistake.
2) be original.
3) should pass copyscape.
4) contain only real information, not just dust collected from some fake source.
5) you should complete 7-10 articles everyday at least.
DON'T EXPECT ANYTHING MORE THAN $4/400 words.