B2C site compared to a B2B site

Can you please help me understand ethical, legal, and regulatory issues and how they differ on a B2C site compared to a B2B site?

E-Commerce

Many experts believe that once an exchange has reached critical mass, managers of the exchange should ________ (a) work exclusively on driving down transaction costs (b) work exclusively on growing the exchange to include as many transactions per month as possible (c) work to expand services for members in a way that reduces a member's total costs (d) work to expand the exchange horizonally by adding new members in other industries Beleive "C" is the answer. Please advise answer & why. Thanks!

E-Commerce

An auction site that speializes in items of only one type, or from one industry, is called ______ a forward auction site, a reverse auction site, a vortal, or a Dutch auction site Believe - the answer is Dutch auction. Please advise anser. Thanks!

E-Commerce

In implementing EC solutions to solve supply chain problems, it is important to ___ (a) integrate systems geared to unique segments of the supply chain into management information systems which provide a picture of conditions along the entire chain (b) break the chain into segments and acquire the most efficient software possible to manage each segment (c) outsource as much of the supply chain management as possible (d) insource the entire supply chain I believe the answer could be (a) or (b) - but feel more strongly about (a). Please advise. Thanks!!!

B2B vs B2C Supply Chains

List the comparisons between B2B and B2C Supply Chains. How do the supply chains differ on a B2B site compared to a B2C site?