Paragraph Styles Question 2 A project has a useful life of 10 years, and no salvage value. The firm uses an interest rate of 12% to evaluate engineering projects. A project has uncertain first costs and annual benefits, as shown in the table below. Define the mean first cost, the mean annual benefit, the mean useful life and the mean NPW for the project. Annual First Cost ProbabilityFc Benefit ProbabilityAB 300,000 0.20 70,000 0.30 400,000 0.50 90,000 0.50 600,000 0.30 100,000 0.20 Arination ? Words: 384 Type here to search 78 OF DELL F6 F8 4 F9 /11 F12 Insert ProtScr S & Backsp 5 6