A program manager is responsible for constructing a USS50 million building Management suggests it will take three years to complete The program manager can select a design-build option to optimize the construction schedule to 1 5 years However heavy demand for steel is causing price increases and delivery delays. II this trend continues, it could take as long as 4.5 years to complete construction. You learn that a new technology can yield a definitive delivery schedule of 1 25 years

What is the expected time of delivery?