Instructions are in the attached image.

Question One a) Define Engineering economy and state eight main steps in the Engineering process. (5 marks) b) The project manager leading a team for construction of a foot bridge has been given a deadlinefor the completion of the project on time. After making due considerations, it now appears some work needs to be speeded up to deliver the project as expected. Given the following normal and crash time and cost estimates in Table Q2, determine whether project length can be reduced to 16 days without increasing project cost and give a summary of optimum cost time schedule. (15 marks) Table Q2