The estimator for aheating,ventilation, and air conditioning(HVAC)contractor estimated that the new hospital would require5,840feet of sheet metal ductwork. The order is too large for a singlefabricator,so it was decided to split the order among four fabricators. Fabricator 1 received an order for2,500feet; Fabricator 2 obtained an order for1,200feet; and Fabricator 3 was awarded a contract for1,150feet. How many feet of ductwork would be required of Fabricator4?5840-2500-1200-1150