Monthly Backlink building requirement -- 2

I require High Quality back links from unique domains, this is an ongoing task & will be increased more based upon performance. (Monthly 160 back links are required currently)
DA > 40
SS < 10%
Budget : 1500/ Month Max


20 web 2.0
10 PDF or PPT submissions
60 Social Bookmarking
20 Image sharing
20 Classified Submissions
30 article & blog submission