A Chapter 7 trustee whose services consisted primarily of the negotiation and consummation of sale of the debtor’s commercial property to a tenant, of interactions with an auctioneer that the trustee had retained in case sales negotiations broke down, and of communications with counsel for the mortgagee to prevent the mortgagee from foreclosing before a sale could be completed, was entitled to $15,000, as a reasonable fee for his services, and not to compensation in the maximum statutory amount of $39,893.75. The statutory cap on trustee compensation, based on the total amount of disbursements in the case, continued to be just that, a cap rather than an entitlement, even after Congress amended the Code to label the fee awarded to the trustee as a "commission"