How much does this cost to the nearest dollar?

Furman P-1800 AR Advanced Level Voltage Regularor/Power Conditioner, 15 Amp, Regulates 97-137 Volt Input Range to 120 Volt Output
The 15 Amp P-1800 AR delivers a stable 120 volts of AC power to protect equipment from problems caused by AC line voltage irregularities such as sags, brownouts, or over voltages - all of which can cause sensitive electronic equipment to malfunction or sustain damage. The P-1800 AR accepts input voltages over a wide AC voltage range and transforms it to a constant output of 120V, +/- 5V. Voltages beyond that range may also be converted to usable levels, depending on the range variance. Additionally, the P-1800 AR is a full-featured power

Price is $665.00

Price: $664.98