It seems highly unlikely, but why don't you go to the Kansas 2019 Tax Tables (pages 20 & following of this reference: https://www.ksrevenue.org/pdf/ip19.pdf) and see if your K-40 line 8 is just possibly correct.
There is the slim possibility that your withheld taxes (line 22 of your K-40) exactly did match your taxes due.
**Answers are correct to the best of my ability but do not constitute tax or legal advice.
