How much does this cost to the nearest dollar?

Lenovo IBM 45W Replacement AC Adapter for IdeaPad (Yoga 11)
IBM Lenovo 45W Replacement AC Adapter for Lenovo Idea Pad Yoga 11 Series Lenovo Idea Pad Yoga 11 100% Compatible with P/N IBM Lenovo 45W Replacement AC Adapter for Lenovo Idea Pad Yoga 11 Series Lenovo Idea Pad Yoga 11 100% Compatible with P/N Laptop Charger AC Adapter Power Supply with US Plug Power Cable Premium quality laptop charger Brand Lenovo, model number Weight 13.6 ounces, Dimensions 8 x 5 x 3 inches, Dimensions LxWxH 8 x 5 x 3 inches, Power Source Corded Electric, Manufacturer Lenovo, Is Discontinued No, Available April 25, 2013, Rank Computers & Accessories 52624

Price is $20.00
Price: $19.51