Assume That Both High and Low Quality Appliances Are Sold

Assume that both high and low quality appliances are sold in the used appliance market. If we assume asymmetric information with sellers having more information regarding quality than buyers, which of the following is necessarily true? The

A) fraction of high quality appliances will be greater than under perfect knowledge.
B) fractions of high and low quality appliances will be the same as with perfect information.
C) fraction of high quality appliances will be less than with perfect information.
D) none of the above