How much does this cost to the nearest dollar?

TCL Energy Star 15,000 BTU 115V Window-Mounted Air Conditioner with Remote Control
Enjoy relief from the heat with the TCL 15, 000 BTU window-mounted air conditioner. Ideal for cooling a room up to 700 square feet, this unit features on-board electronic controls with 3 speeds and a handy remote control. With our on/off timer, strong, cool airflow is at your command. Plus, setup is quick and easy with a long power cord and the included window mounting kit. Energy star qualified 11.9 EER 15, 000 BTU air conditioner for window-mounted installation Cools a room up to 700 sq. Ft. With up to 

Price is $640.00

Price: $639.99