Answer:
A) $7,500
Explanation:
We have to calculate for the differencial income on each bracket:
The first 10,000 are exempt thus, no taxation.
then it grows per 20,000 steps:
1st bracket: (30,000 - 10,000) x 10% = 2,000
2nd bracket (50,000 - 30,000) x 20% = 4,000
3er bracket (55,000 - 50,000) x 30% = <u> 1,500</u>
Total tax liability 7,500
Notice when we arrive at the family income we don't subtract from the celling (60,000 but, from their actual income of 55,000)