In 2013,Carol,who Is 54 and Single,earned a Salary of $54,000

In 2013,Carol,who is 54 and single,earned a salary of $54,000 and $6,000 of interest on State of Nevada bonds.She contributed $2,000 to her Roth IRA,paid a $4,000 hospital bill,state income taxes of $1,500,real estate taxes of $900,mortgage interest of $4,500,and $2,000 interest on her margin account under which she purchased the bonds.What is Carol's taxable income?

A) $41,200
B) $43,200
C) $44,800
D) $47,500