Which of the following is NOT a government response to asymmetric information?

The natural rate of unemployment:

A) is a constant. B) is the average of the unemployment rate in a country over time. C) is determined by adding the unemployment rates in all countries and then dividing it by the number of countries. D) is always lesser than the level of cyclical unemployment in an economy.

Bob's winery sells bottles of their expensive, high-quality wine and a cheaper low-quality wine. Visitors have to drive 45 minutes to get to Bob's winery

Bob also sells his wine at a shop in the city where consumers don't have to drive a long distance and charges the same prices. Assuming the preferences of the clients that come to the winery and the city store are the same, explain why Bob tends to sell the expensive wine in a greater proportion in the winery than the urban store.