How much does this cost to the nearest dollar?

AmScope Professional Trinocular Stereo Zoom Microscope, WH10x and WH25x Eyepieces, Magnification, Zoom Objective, LED Ring Light, Articulating-Arm Boom Stand, Includes 0.5x and 2.0x Barlow Lenses
The AmScope professional trinocular stereo zoom microscope has interchangeable pairs of 10x and 25x super-widefield high-eyepoint eyepieces, a zoom objective, and an articulating-arm clamping boom stand. The microscope has an overall magnification range of The trinocular viewing head has an interpupillary range of 55 to 75mm, a inclination to reduce eye and neck strain, and rotation to enable sharing. The vertical trinocular port can be used as a C

Price is $841.00

Price: $840.55