Priyanka, a personal trainer, is 37 years old and unmarried. She has sole custody of and provides full support for her 2 year old daughter, Amy. Priyanka has adjusted gross income of $63000 and unreimbursed medical expenses of $12700. Priyanka wishes to minimize her income tax. What is Priyanka's taxable income?
a. $45750
b. $48600
c.$49750
d. $52600