Portuguese Voice over long-term on going project

We have a potential project in Portuguese. It is long-term on-going project with stable volume of about 1000 words voice over per talent per month. We need three voices - male, female and boy(can be done by female voice imitating kids). It is voice over for a YouTube channel. Requires simple voice acting and recording according to time code. It is also necessary to follow the intonations in the original video. Sample video is below [login to view URL] Our expected budget is about 170$ for every 1000 words. If you are interested please send a voice acting demo in mp3 format(we will consider only bids with voice demos) as a link to dropbox or google drive. Please, also indicate If will you be able to record a short custom demo if your voice is chosen. In the bid please indicate your final rate for 1000 words. If you can record 2-3 voices in your studio, please, send demos for all and indicate the rate for all voices you can provide. If you can also do mixing of the voice tracks, please also mention this and indicate the rate.