1. What are the individual costs per dozen for the Mexican supplier-t-shirts, delivery, and duties? What is the total cost per dozen?
2. What are the individual costs per dozen for the Icelandic supplier-t-shirts, delivery, and duties? What is the total cost per dozen?
3. What are the individual costs per dozen for the Cuban supplier-t-shirts, delivery, and duties? What is the total cost per dozen?
4. Which source should Dorfman use? Why?