John maintains an office in home that comprises 9% (400 square feet) of total floor space. Gross income for his business is $58,000 and his expenses are as follows: Real estate taxes - $4,500 Mortgage interest - $7,900 Operating expenses - $5,200 Depreciation - $1,200 What is his office in home deduction based on the regular and simplified method? Please don't copy and paste from the answer already available