A personal representative or special administrator is entitled to reasonable compensation for services. If a will provides a stated compensation for the personal representative, additional compensation shall be allowed if the provision is insufficient in the judgment of the court. The personal representative or special administrator may renounce at any time all or a part of the right to compensation. Unless the will provides a larger measure of compensation, on petition filed in reasonable detail by the personal representative or special administrator the court may allow the commissions it considers appropriate. The commissions authorized under paragraph (1) of this subsection may not exceed those computed in accordance with the following table: If the property subject to The commission may administration is: not exceed: Not over $20,000…………………………………………………………………………...…9% Over $20,000 …………….……………………………..……………$1,800 plus 3.6% of the excess over $20,000 Within 30 days a personal representative, special administrator, or unsuccessful exceptant may appeal the allowance to the circuit court, which shall determine the adequacy of the commissions and increase, but not in excess of the commissions computed in accordance with the table in subsection (b)(2) of this section, or decrease them. If the personal representative retains the services of a licensed real estate broker to aid in the sale of real property, the commissions paid to the real estate broker are an expense of administration and may not be deducted from the commissions allowed by the court to the personal representative in accordance with subsection (a) of this section.