http://blogs.estadao.com.br/jt-seu-bolso/massa-salarial-ampliada-disponivel-do-brasileiro-cresce/comment-page-1/#comment-33694 - I am sorry, that has interfered... At me a similar situation. I invite to discussion. Write here or in PM.
http://netcourse.xjtu.edu.cn/modules.php?op=modload&name=PNphpBB2&file=viewtopic&p=222950#222950