We can see that the salary range for $30,000 is the range $9001 and up.
The tax rate for this range is 5.4%.
Therefore, the state income tax owed on a $30,000 per year salary is therefore;
[tex]\frac{5.4}{100}\times30,000=\text{ \$1620}[/tex]
Therefore the state income tax owed is $1620.
