Which of the following is an impact of the Internet onconsumers' shopping behavior??

	a.	?Consumer reviews on the Internet about various products tend tobe equal in quality.
	b.	?Extranets are programs that search the Internet for the bestprice for a particular product.
	c.	?Business-to-business auctions are likely to be the dominantform of Internet auction in the future.
	d.	?The Internet auction business is likely to disappear in thefuture.