Please explain and do not copy from Chegg. Otherwise i have to report the answer.

9. Benefit Cost (15 points) The armial benefits associated with construction of a highway are estimated at $10.5 inillion by a local planting commission. The initial construction costs will be 5400 million, and the project's useful life is 40 years. Annual maintenance costs are $500.000, with periodic rebuilding costs of $10 million every 10 years. If annual interest is 4%, the bencfit-cosi tutio is closest to what value? Shaw your work a) 1:11 b) 0.93 e) 0.75 d) 0.49