Approximately 20% was withheld to pay the tax. If you are in the 20% percent marginal tax bracket, that would pay the tax. Then the additional 10% ($9,303) penalty must be added on. Probably you should have had 30% withheld for tax.
**Disclaimer: This post is for discussion purposes only and is NOT tax advice. The author takes no responsibility for the accuracy of any information in this post.**
