Long term capital gains tax incorrectly calculated at 20%

My Tax due was 585 after W2 import.
It became 11830 after adding only 1099-B.
10,660 taxes on (Long Term 58214.31 + Short term 871.93)

I expected (58214.31 *0.15) + (871.93 *0.24) additional tax. (24% for Annual Taxable Income  of 325k)

 

8732 + 209 = 8941
So I expected 8941 tax, but it is showing 10660.

To get to 10451 on long term tax, it would be 10451/58214.31 (18%)

So, it seems like 18% is being applied instead of 15% for long term capital gains.

 

I have not added any deductions. I am just using standard deductions for married filing jointly. I really think this is a bug with TurboTax.

 

The taxes calculated on 59k income from  "Stocks, Cryptocurrency, Mutual Funds, Bonds, Other" shows about 12k. For married filing jointly, the tax should 15% for $80,801 to $501,600. I am within this  limit. Could anyone explain why its calculating 18%? Thank You!