Answer:
b. The appropriate Federal per diem amount.
Explanation:
These special diem per rates for taxpayers would be used in substantiating the ordinary amount and important business expenses that are expense at the time when travelling to be done especially the special transportation industry meal and rates of incidental expenses, the deduction with respect to the incidental expenses, and the rates & high-cost localities list for the motive of the high-low substantiation method.
