If the first question is answered in the affirmative, may the active holding company exercise the right to deduct the VAT corresponding to the services used by it which are directly related to the taxed economic activity of some of its subsidiaries, and if so in what way? If the first question is answered in the affirmative, may the active holding company exercise the right to deduct the VAT corresponding to the services used which are in the interest of the group of companies as a whole, and if so in what way? Do the answers to be given to the above question differ if the active holding company bills its subsidiaries in respect of the abovementioned services as intermediary services, and if so to what extent?