St. Johns River Shipyards' welsing machine is 15 years old, fuly deprecated, and has no salvage value. Howevec, even though it is old, it is stil functional as originally devigned and can be useif for qute a intermeduce cakvations. Round your antwer to the nearest dolar, Negatie value, if any, should be inficated by a minus vigh. intermediate caculation. Aound your amper to the hearevkidar Nevative vakue, if am, sheuld be indcaled by a minus sigh