Within the limits of funds appropriated by the Board of Supervisors, the Zoning Hearing Board may employ or contract for secretaries, clerks, legal counsel, consultants and other technical and clerical services. Members of the Board may receive compensation for the performance of their duties, as may be fixed by the Board of Supervisors, but in no case shall it exceed the rate of compensation authorized to be paid to the members of the Board of Supervisors. Alternate members of the Zoning Board may receive compensation, as may be fixed by the Board of Supervisors, for the performance of their duties when designated as alternate members pursuant to Subsection B(2), but in no case shall such compensation exceed the rate of compensation authorized to be paid to the members of the Board of Supervisors.