I would appreciate a step by step answer to the part (a) and (b) of this quesiton.

The following applicants have applied for the post of Lead Construction Manager in a construction firm - with the responsibility to take on the overall planning, coordination, and control of a major construction project with an anticipated value north of 500M. a) Advise the selection panel using goal programming on the candidate(s) to invite for the interview - if the goals were knowledge of Primavera and one other system, at least 6 years experience, with knowledge of FIDIC forms of contract, and at least a first degree. (15 Marks) b) If the selection panel uses a weighted linear objective function where the utility functions are: - Software proficiencies, S(x)= (number of software proficiencies) 2+5 (if Sage100 is included). - Experience, E(x)=1.5x, if x