How much does this cost to the nearest dollar?

Epson Transparency Adapter for Scanner
Product Description Epson - Scanner transparency adapter Amazon.com Getting your film and transparencies scanned correctly can be a pain. That's why you need a transparency adapter like this one from Epson. Designed to work with your Epson scanner, the adapter accepts positive or negative 35 mm film or medium format transparent media up to 5 by 4 inches. Its size fits perfectly on the scanning surface and helps you get perfectly aligned scans every time. Batch scanning is a snap, as the adapter can hold up to 48 35mm negatives, 30 35mm slides, eight transparencies, and up to six medium format transparencies. This moving carriage type transparency adapter also features Epson's high-quality lamps for faster film scanning

Price is $540.00
Price: $539.52