How much does this cost to the nearest dollar?

Synergy Digital Ni-MH 2.4 Volt, 800 mAh, Ultra Hi-Capacity Battery - Replacement Battery for Rechargeable Cordless Phone Battery
Replacement Battery for Rechargeable - Ni-MH 2.4 Volt, 800 mAh. (Ni-MH, 2.4V, 100% compatible with your OEM battery - 3 year warranty. Made with high quality Japanese cells. Rechargeable Battery Dimensions 1.71 x 0.8 x 0.42 inches, Weight 0.78 ounces, model number Batteries 1 Specific batteries required. (included), Rank Cordless Telephone Batteries 422, Available December 1, 2009, Manufacturer Synergy Digital, Country of Origin China, Batteries 

Price is $8.00

Price: $7.55