Part-Time Content Writer

We are looking to hire a part-time writer for our team, to write content about call centers.  This position will:-Write 2-3 guest posts per month (1500 words each) as well as 1-2 high quality blog posts per month that was 2000-3000 words each.  -Work with our project manager to ensure content is high quality and well executed-Reasearch each topic thoroughly to provide great and valuable contentMust:-Have great attention to detail-English must be first language with impeccable grammar-Be a Self-starterPlease provide us with a quote for how much both a 1500 word guest post (to post on another blog for backlinks) and a high quality 3000 word blog post would cost, and how long you estimate it would take.  Please also provide a cover letter, as to why you would like to work with our company.