How much does this cost to the nearest dollar?

ARyee 2Packs 12V 4.0Ah Lithium Battery Replacement for Dewalt 12V Max Battery DCB120 DCB123 DCB122 DCB127 DCB124 DCB121 Cordless Power Tools Battery
BatteryType Liion, Voltage 12V, Capacity Made with high quality cells and long running performance Compatibility with 12 volt battery replacement is 100% compatible with Dewalt 12V MAX tools DCB120 DCB123 DCB122 DCB127 DCB124 DewaltDCD/DCF/DCK/DCL/DCS/DCT Series. For more compatible models, please refer to the product description below Certified 12v Max Dewalt Battery Fast charges and low power consumption. Tested by manufacturer to match OEM products, long-lasting

Price is $31.00
Price: $30.89