<prompt> Translate the following text to SwahiliThe New York Times reports that economists with the Army Corps of Engineers, charged with executing a cost-benefit analysis of un-damming the Snake River in eastern Washington, plan to factor in something they call existence value--the value of the psychic benefit people get from knowing the river is running wild.  <response>: Wanasayansi wa uchumi wa Jeshi la Uhandisi, ambao wamepewa jukumu la kufanya uchambuzi wa gharama na faida ya kuondoa bwawa la Mto Snake, Washington, wanapanga kuzingatia thamani ya kuwepo - thamani ya faida ya kisaikolojia ambayo watu hupata kwa kujua kwamba mto unaendesha kwa ujasiri. 