Brooke owns a sole proprietorship in which she works as a management consultant. she maintains an office in her home where she meets with clients, prepares bills, and performs other work-related tasks. the home office is 300 square feet and the entire house is 4,500 square feet. brooke incurred the following home-related expenses during the year. unless indicated otherwise, assume brooke uses the actual expense method to compute home office expenses.

real property taxes $3,600
interest on home mortgage 14,000
operating expenses of home 5,000
depreciation 12,000
repairs to home theater room 1,000
required:

what amount of each of these expenses is allocated to the home office?
what are the total amounts of tier 1, tier 2, and tier 3 expenses, respectively, allocated to the home office?
if brooke reported $2,000 of schedule c net income before the home office expense deduction, what is the amount of her home office expense deduction and what home office expenses, if any, would she carry over to next year?