Find an initial solubon to the following transportation problem. From Mexico City Detroit Ottawa Demand Los Angeles $6 $17 $20 80 To Calgary $18 $13 $10 100 Panama City $8 $19 $24 60 Supply 120 70 50 The starting solution using northwest-comer method is: (Note: You must enter a shipment in every cell, even if the shipment is 0.) To From Los Angeles Calgary Panama City Supply $6 $18 $8 Mexico City 120 $17 DO $13 $19 Detroit 70 $20 $100 $24 Ottawa 50 Demand 80 100 60 a) The total cost of the initial solution developed using the northwest-corner method = The starting solution using the intuitive lowest-cost method is: (Note: You must enter a shipment in every cell, even if the shipment is o.) To From Los Angeles Calgary Panama City Supply $6 $18 $8 Mexico City 120 $17 $13 $19 Detroit 70 $20 $10 $24 Ottawa 50 Demand 80 100 60 b) The total cost of the initial solution developed using the intuitive lowest-cost method = c) The total cost of the optimal solution = $