<prompt> Translate the following text to SwahiliThe agency should receive proposals, evaluate the technical and cost merits of different proposals, negotiate with contractors, and award a contract in accordance with a source selection plan developed before release of the RFP.  <response>: Shirika linapaswa kupokea mapendekezo, kutathmini sifa za kiufundi na gharama za mapendekezo tofauti, kujadili na wakandarasi, na kutoa mkataba kulingana na mpango wa uteuzi wa chanzo ulioandaliwa kabla ya kutolewa kwa RFP. 