<prompt> Translate the following text to SwahiliThe Contracting Officer monitors costs as required by the contract type fixed-price or cost-reimbursable and makes contract modifications as needed.  <response>: Msimamizi wa Mkataba hufuatilia gharama kama inavyotakiwa na aina ya mkataba bei ya kudumu au gharama ya kurudishwa na hufanya marekebisho ya mkataba kama inahitajika. 