How much does this cost to the nearest dollar?

Ding 9 Cell T440P 57++ Replacement Battery Compatible with Lenovo ThinkPad T440P T540P W540 W541 L440 L540
*Battery Type Li-ion Voltage 11.1 V Capacity 44Wh Cell 6-Cell *Replace Part Number Lenovo *Compatible Models (Find your model Ctrl + F ) Lenovo ThinkPad T420i Series Lenovo ThinkPad T420s Series * * Lenovo ThinkPad T430s Series Battery Type Li-ion ; Voltage 11.1V ; Capacity 44Wh 100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. Compatible Models - Lenovo ThinkPad T420i T420s T430S Series Replacment Part Number - Lenovo 6 Months Manufacturer

Price is $40.00

Price: $39.99