How much does this cost to the nearest dollar?

OMAX 18.0MP USB3.0 Digital Camera for Microscope with 0.01mm Calibration Slide (Windows 8 & 10, Mac OS X, Linux Compatible),
Image sensor Aptina 1/2. 3inch color CMOS; Resolution pixels (18M pixels); Pixel size 1. 25 um x 1. 25 um; SNR 36. 3 dB; Dynamic Range 65. 8 dB; Frame speed 5. 6fps at 18. 1fps at 32. 2fps at Interface USB 3. 0 (compatible with USB 2. 0); Reduction lens 0. 5X, fit to 23. 2mm eyepiece tube; 0

Price is $421.00

Price: $421.06