as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
home office deduction using simplified method & expensing of non-permanent office modification?
user
yes, you may deduct the cost of building the "noise cancellation system" :) sorry couldn't resist. but seriously, yes you can deduct it once (unless you have more cost maintaining it) and its on line 19 (repairs and maintenance) of irs form 8829.
assistant