How much does this cost to the nearest dollar?

2014 Microsoft Surface Pro 3 Touch Screen Tablet (Intel Core Processor, 8GB DDR3, 256GB HDD, Windows 8.1 Pro) Black
Meet Surface Pro 3, the tablet that can replace your laptop. Wrapped in magnesium and loaded with a ClearType Half 4K 2K QHD display, Intel Core processor and up to 8GB of RAM in a sleek frame - just 0.36 inches thin and 1.76 pounds - with up to nine hours of Web-browsing battery life, Surface Pro 3 has all the power, performance and mobility of a laptop in an incredibly lightweight, versatile form.Larger screen, lighter formA category of its ownKeeps you entertainedWrite naturallyMicrosoft Surface Pro 3 256GB WiFi Featuring

Price is $639.00

Price: $639