According to the Application,how Does the Department of Commerce Determine

According to the application,how does the Department of Commerce determine the price of the good in the foreign market?

A) They use a "constructed value" method where it makes its own estimates of what prices in countries' own markets would be based on available data.
B) They use dated and very crude estimates.
C) They rely on the information supplied by the firms that bring about the charges.
D) All of the above are correct.