Discuss the advantages and disadvantages, from the sourcer's perspective, of each of the following direct costs:
a. $$\$ 4.00$$ FOB Shanghai, China
b. $$\$ 5.15$$ CIF Newark, New Jersey
c. $$\$ 5.00$$ LDP Seattle, Washington
d. $$\$ 6.00$$ C\&F Long Beach, California