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