In the gift card shown below, the magenta flower petals need to be printed with a varnish. How would you set up the file so the varnish is applied over the magenta color of the petals?

Use File Info to leave instructions for your print service provider.
Duplicate the petals to a new layer called “Varnish.”
Make sure that the magenta color is from a spot color swatch.
Create copies of the petals on top of the original artwork and fill the petals with a new spot color swatch set to overprint.