Alexis, a personal trainer, is 37 years old and unmarried. She has sole custody of and provides full support for her 4-year-old daughter, Amy. For the current tax year, Alexis has adjusted gross income of $67,000 and unreimbursed medical expenses of $13,200 (her only itemized deductions for the year). Alexis wishes to minimize her income tax. What is Alexiss taxable income? [Current Tax Year = 2018]

a. $46,825

b. $49,350

c. $49,000

d. $55,000