What is main idea of this excerpt from an article in the u. s constitution

The constitution establishes the Supreme Court as the country's top court.

Explanation:

The Constitution creates the office of the president and establishes rules for how the president is to be elected

Explanation: (Apex)

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.