How much does this cost to the nearest dollar?

Powilling 40 Volt MAX 3.0Ah Lithium Replacement Battery for Black and Decker 40V Battery LBXR36 LST540 Black+Decker Lithium Battery
✅ Battery Type Brand New |Battery Type Li-ion |Voltage 40v | Real Capacity ✅ Widely matched Compatible with black&decker and fit all black decker cordless power tools. ✅ Charging type Charge with all black+decker 36v or 40v Max chargers, holds a charge up to 5x longer than NiCad ✅ Integrated LED Integrated LED battery charge level indicator allows user to monitor battery using. ✅ Worry-free warranty 45 days money back, 12 months warranty. Any question about the Black and Decker 40V lithium battery

Price is $39.00
Price: $38.99