Wes, costs vary based on budgets and intended use, and whether for use in the lab or the field.  Here are a couple of references.

https://www.thermofisher.com/us/en/home/industrial/spectroscopy-elemental-isotope-analysis/spectroscopy-elemental-isotope-analysis-learning-center/elemental-analysis-information/xrf-technology.html

https://www.bruker.com/products/x-ray-diffraction-and-elemental-analysis/handheld-xrf/xrf-analyzer-price.html