I'm not sure how you calculated the 2.564%, but the percentage that you use the home for business should be the square footage of the office space divided by the total square footage of the house. You were asked to enter those figures when you went through the home office deduction. Can you clarify if those amounts line up?
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"
