Website Redesign

Need to have this site [login to view URL] redone in design, using the wordpress format. The copy is all there and can stay. But I do want to ad a slide show of diagrams helping people understand what it is that we do in the home page. Along with a the script on the first page on the first page capture data. Name and email address. I also have a business logo that I want put on the site so that the colors and format match the logo. Please give me the cost of having this site redesigned and done with these request that I mentioned. Thank you.