Question - Amy maintains an office in her home which she only uses to conduct an I.T. consulting practice. Her consulting income before home office deduction is $50,000. Her office is 250 square feet and her home is 2,500 square feet. She spends $30,000 on mortgage interest, $10,000 on property taxes, $2,000 on electricity and gas, $1,000 on her home phone (which she doesn't use for business), and $2,000 on her home insurance policy. How much of her home office costs is she eligible to deduct against her consulting practice?
A. $4,100
B. $4,200
C. $4,300
D. $4,400
E. $4,500