TTax Deluxe Desktop Version. The interview never asks what % of business is conducted in home office for the simplified deduction. It is also never implied by the question that are asked. Therefore, the business use % is assumed to be blank (zero) by the program which disallows the simplified home office deduction. It is a clear error in the TTax interview process. Until TTax fixes this, the only way around it is to go into forms and manually enter 100% into 8829 Part II item B so the program can accurately calculate simplifed office in home.
