Answer:
a) tax income 7,672
8.54%
b) tax income 1,050
2.47%
c) zero
d) proportional
Explanation:
a ) 89,800 gross income - 35,000 exemption= 54,800 taxable income
54,800 x 14% = 7,672
7,672/89,800 = 0.085434298 average rate
b) 42,500 - 35,000 = 7,500
7,500 x 14% = 1,050
0.024705882
c) 0
d) proportional as it is neither, progressive(tax increase against bigger income) or regressive (tax decrease against bigger income)