A grant writer had a taxable income of $37,450 last year. If he paid 10% of his
income between $0 and $8350, 15% of his income between $8350 and
$33,950, and 25% of his income between $33,950 and $37,450 in federal
income tax, how much did the grant writer pay in federal income tax last
year?
A. $5550
B. $875
C. $3840
D. $835