How much does this cost to the nearest dollar?

CMS 16GB DDR3 10600 Non ECC SODIMM Memory Ram Upgrade Compatible with Lenovo Thinkpad X220 4287, 4290, 4291 - A13
16GB total memory consisting of 2PCS OF 8GB cl9 16c 256x8 SDRAM SODIMM. Genuine CMS brand, CMS is one of the most trusted names in the Computer Memory industry and this product carries a Lifetime Warranty from CMS Compatible with Lenovo ThinkPad X220 Lenovo ThinkPad X220 Lenovo ThinkPad X220 Lenovo ThinkPad X220 Computer Memory Solutions guarantees compatibility with models provided in description. Memory Type SODIMM, Speed 1333 MHz 2 Piece Kit Product appearance may vary. Picture for reference only. limited lifetime warranty when bought directly

Price is $31.00

Price: $31