Problem C.3 Find an initial solution to the following transportation problem. From B Supply 100 $10 $17 $20 80 Y Z Demand 150 C $12 $9 $14 70 $19 $13 $18 120 50 Based on the given demand and supply, the given transportation problem is unbalanced Before finding the initial solution, a dummy destination should be introduced. The starting solution using northwest-corner method is: (Note: You must enter a shipment in every cell, even if the shipment is 0.) A B C Dummy $10 $191 $12 0 From Supply 100 $17 $13 $9) OL Y 150 $20 $18 $14 ON Z 50 Demand 80 120 70