If a teacher has told you once, they’ve told you a thousand times, show your work.  That was GAO’s reminder to GSA in its decision in Hoover Properties, B-418844 (Sept. 28, 2020).  In the case, GAO sustained a protest from property management company Hoover Properties, the non-awardee of a GSA request for lease proposal (RLP), in which Hoover argued that GSA failed to provide adequate documentation for its evaluation.