Student discount+upgrade from glyphs mini2

I have a question…I need to get Glyphs 3 and I already have Glyphs mini 2 and I am a student. Can I combine student 50% discount and upgrading discount from Glyphs mini 2? You have on website “If you have purchased a license for Glyphs Mini 2 or Glyphs 2, you can upgrade to Glyphs 3 at a discount.” It’s a little bit expensive for me…
Thanks a lot!

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