Can anyone help with this?

When I set the Image Quality for a part, it seems to change once it is in an assy.

• Where is image quality stored, i expect in the part?
  • Does the assy override the image quality and;
    • if so, does the new override cause the part to re-save the new image quality settings in the part file.
• Can parts have different image quality within one assay?
• Essentially, what is the expected behavior of the image quality settings, and the best practice to control them?

To evaluate, I'm using Assy Visualization with Graphics-Triangles to see the amount of Triangles being evaluated after each setting change, and a Ctrl+Q to force rebuild.