Peter Operates a Dental Office in His Home

Peter operates a dental office in his home. The office occupies 250 square feet of his residence, which is a total of 1,500 square feet. During 2015, Peter pays rent for his home of $12,000, utilities of $4,800, and maintenance expenses of $1,200. What amount of the total expenses should be allocated to the home office?

A) $0
B) $2,000
C) $2,500
D) $3,000
E) None of the above