How much does this cost to the nearest dollar?

4GB KIT (2 x 2GB) for ASUS ASmobile M Series Notebook M50 M50Vc M50Vm M50Vn M50Sa M50Sr M50Sv M51 M51A. SO-DIMM DDR2 Non-ECC 800MHz RAM Memory. Genuine A-Tech Brand.
4GB KIT (2 x 2GB) SO-DIMM DDR2 NON-ECC 800MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Designed For ASUS ASmobile M Series Notebook. (See Compatibility List Below) RAM 4 GB Brand A-Tech, model number Weight 1.12 ounces, Dimensions 4.2 x 3.4 x 0.4 inches, Dimensions LxWxH 4.2

Price is $48.00
Price: $47.89