(b)in the case of an association of persons, being a non-resident, and consisting of only companies as its members, calculated,—(i)at the rate of ten per cent. of such tax, where the amount or the aggregate of such amounts collected or likely to be collected and subject to the collection exceeds fifty lakh rupees but does not exceed one crore rupees;(ii)at the rate of fifteen per cent. of such tax, where the amount or the aggregate of such amounts collected or likely to be collected and subject to the collection exceeds one crore rupees;