Find initial basic feasible solutions to the transportation problem in the following table using: (a) Northwest comnet method (b) Minimum-cost method and (c) Vogel's method (d) Compare the costs of initial basic feasible solutions given by the three methods. The City of Boston is taking bids on four construction projects. Four companies have made the bids as shown in the following table: a. Each bidder can be assigned only 1 route. Use the assignment method (Hungarian Method) to minimize the cost of assigning the four project contracts. The City of Boston is taking bids on four construction projects. Four companies have made the bids as shown in the following table: a. Each bidder can be assigned only 1 route. Use the assignment method (Hungarian Method) to minimize the cost of assigning the four project contracts