How much does this cost to the nearest dollar?

Tripp Lite PowerVerter Inverter
Tripp Lite's Inverter/Charger is a heavy-duty, DC-to-AC inverter with automatic line-to-battery transfer and integrated charging system that serves as an extended-run UPS, a standalone power source or an automotive inverter suitable for rugged RV applications. It provides equipment with utility- or generator-supplied AC electricity filtered through premium ISOBAR surge protection. It's the ideal, quiet alternative to gas generators -- with no fumes, fuel or noise to deal with! The Inverter/Charger supplies up to 2000 watts of continuous 120V AC power from any 12V DC battery or automotive DC source. It passes sine wave utility or generator power during battery charging and UPS line power operation, plus an efficient PWM

Price is $900.00
Price: $899.99