Charles is a self-employed CPA who maintains a qualifying office in his home. Charles has $60,000 gross income from his practice and incurs $48,000 in salaries, supplies, computer services, etc. Charles"s mortgage interest and real estate taxes allocable to the office total $5,000. Other expenses total $14,000 and consist of depreciation, utilities, insurance, and maintenance. What is Charles total home office expense deduction?
A. $5,000
b. $12,000
c. $14,000
d. $19,000