Excel's Solver tool has been used in the spreadsheet below to solve a linear programming problem with a minimization objective function and all ≥ constraints. 
a.Give the original linear programming problem.
b.Give the complete optimal solution.
Definitions:
Rotating Part
A component that moves around a central axis within a machine, contributing to its mechanical function.
Generator
A device used to convert mechanical energy into electric energy.
Self Excited
Pertaining to an electrical machine or device that generates the magnetic flux necessary for its operation from its own output.
Separately Excited
Describes an electrical circuit or device (typically in motors or generators) where the primary and the excitation circuits are electrically isolated from each other.
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