A project manager had a taxable income of $52,150 last year. If she paid 10% of her income between $0 and $8350, 15% of her income between $8350 and $33,950 and 25% of her income between $33,950 and $52,150 in federal income tax, how much did the project manager pay in federal income tax last year?
A. $3840
B. $835
C. $4550
D. $9225
Help please?