NEW YORK - A company that has served as an adviser to bankrupt Hostess Brands Inc. on Sept. 30 filed a brief arguing that the bankruptcy court should immediately approve its request for $3.5 million in compensation for its services to the debtor (In Re: Old HB f/k/a Hostess Brands Inc., No. 12-22052, Chapter 11, S.D. N.Y. Bkcy.).