How much does this cost to the nearest dollar?

AmScope M620B Compound Monocular Microscope, WF10x and WF20x Eyepieces, Magnification, Brightfield, LED Illumination, Abbe Condenser, Mechanical Stage, 110V
The AmScope M620B monocular compound microscope has interchangeable 10x widefield and 20x widefield eyepieces, a forward-facing nosepiece with four DIN achromatic objectives, LED illumination, coaxial nested coarse and fine focus, a 1.25 NA Abbe condenser, and a double-layer mechanical stage. The monocular viewing head has a fixed vertical inclination to reduce eye and neck strain, and rotation capability to enable sharing. An anti-mold head preserves optics in high-humidity areas. The forward-facing revolving nosepiece has 4x,

Price is $172.00
Price: $171.58