Devya Isaacs is employed as an income tax auditor and is required by contract to maintain an office in her home. Devya works at home most of the time and has been provided with a laptop computer and a fireproof audit bag for her files. She has not been provided with any reimbursement or allowance in connection with her home office, which occupies 10% of the square footage of her home. She incurred the following costs to maintain her entire home this year:

House insurance 2,000

Maintenance 2,500

Property taxes 4,000

Heat, hydro, and water 5,000

Mortgage interest 24,000

What is the maximum amount that Devya can claim for the costs she has incurred in respect of her home office?