questions relate to marketing

a. Retail system acronyms include DSD, VMI, EDI, CPFR and RFID. What do these terms means and how are they related to one another?

b. Explain how an efficient supply chain system can increase a retailer's level of product availability and decrease its inventory investment.

c. What type of merchandise is most likely to be cross docked at retailers DCs? Why is this often the case?

d. Explain the differences between pull and push supply chains.