Free meals deduction not getting proportinately reduced for the first and last day of travel

Our client follow government per diem regulations so the first and last day of travel (travel days) are at 75% of the maximum per diem rate for that specific location. We also have it set-up so that whenever they have meals provided that they can deduct the meal amount from their current per diem different for different meal type. It is deducting the same amount for free meal whether it is New York or Spencer a small town. The settings are shown below. In any case the on the first and last day of travel the free meal deduction for