Example: 2 percent wealth tax with a $100 million exemption threshold and surcharge above $1 billion on an individual with a $3 billion net worth

Table with 3 columns and 4 rows.
Wealth Tax Owed
First $100 million0%$0
Next $900 million2%$900 million x 2% = $18 million
Remaining $2 billion3%$2 billion x 3% = $60 million
Total$18 + $60 million = $78 million