Until 2008, the people of the fictitious nation of dor relied mainly on private car companies to determine how many automobiles to produce. after 2008, the people of dor have been relying on the dor government to determine how many automobiles to produce. this represents a shift in the economic system of dor from

Market System to Central Planning.

Explanation:

People of Dor relied on the private car companies determine the number of  automobiles or cars to produce.After 2008 the Dor government has taken the charge of determining the number of automobiles to produce.This is a shift in Dor's economic system from the market system to central planning means the decisions of producing what,how and for whom are taken by the government.

by using  production possibilities graph.  opportunity costs are key expenses in financial matters and are utilized as a part of registering money saving advantage investigation of a venture. such expenses, be that as it may, are not recorded in the record books but rather are perceived in basic leadership by processing the money costs and their subsequent benefit or misfortune.

its d. you give me brainliest