Wordpress Project ( Paypal integration )

Website [login to view URL] need to add paypal. Details INSTRUCTIONS: 1.) The WordPress admin must be able to upload and manage the different file formats of the book, for example, ePub, mobi, and pdf. 2.) PayPal needs to be integrated like e.g. the Express Checkout, w/ order verification. 3.) After clicking "Buy Now" the user goes to a page with a drop down box showing different file formats (ePub, mobi, pdf) and a PayPal button. 4.) After successful order completion, the user is redirected to a download page, session based, that will expire in a few hours so the user can't have others use the download page. [Note]: I am willing to explore other possibilities for this item. 5.) After canceling an order the user is redirected to a cancel page. 6.) Left-top - Meet the Author: Box contents needs to be completed [see attached [login to view URL]] 7.) The main top menu needs to be centered. 8.) Left-side - need to add Testimonials and Follow Me titles [see attached [login to view URL]]. 9.) Admin must be able to upload a sample chapter, which can be downloaded from the home page, user can choose from 3 formats (ePub, mobi, pdf). See on main page "Download a sample chapter now". 10.) The site need to look the way it appears on the attached image purplebook.jpg. I'll need an area in the admin to add 4 testimonials under TESTIMONIALS Please give me your price & exact timeline to finish the project. Feel free ask if you have any questions. Thanks