Answer:
Average Tax rate if income rises to $30,000 is 23.33%
Explanation:
Tax on First $20,000 = 20%
Tax on Next $10,000 = 10%
Tax on First $20,000 = $20,000 x 20%
Tax on First $20,000 = $4,000
Tax on Next $10,000 = $10,000 x 30%
Tax on Next $10,000 = $3,000
Total Tax on $30,000 = $4,000 + $3,000
Total Tax on $30,000 = $7,000
Average Tax rate = ( $7,000 / $30,000 ) x 100
Average Tax rate = 23.33%