Charles Is a Self-Employed CPA Who Maintains a Qualifying Office

Multiple Choice

Charles is a self-employed CPA who maintains a qualifying office in his home.Charles has $110,000 gross income from his practice and incurs $88,000 in salaries,supplies,computer services,etc.Charles's mortgage interest and real estate taxes allocable to the office total $10,000.Other expenses total $14,000 and consist of depreciation,utilities,insurance,and maintenance.What is Charles' total home office expense deduction?

A) $10,000
B) $14,000
C) $22,000
D) $24,000