5. An electrical contractor pays his subcontractors a fixed fee plus mileage for work performed. On a given day the contractor is faced with three electrical jobs associated with various projects. Given below are the distances between the subcontractors and the projects. n=3 How should the contractors be assigned so that total mileage is minimized? a. Solve manually using the Hungarian Method b. Solve using Excel Solver (submit a hard-copy of the Excel spreadsheet)