If a country produces only two products, then by looking at the country's production possibilities curve (PPC), one can see that the opportunity cost of producing one of the products is the same as (equal to) the marginal cost of producing that product. A. True
B. False

A. True

Explanation:

Marginal cost is the cost of the good or service is the opportunity cost of producing one or one of the units of it. It's the cost of producing one r  ore unit of good. Marginal cost includes the cost included the producing of every unit. Opportunity cost is the alternative cost incurred by not using the opportunity cost of the other product.

They allow goverment to make some economic decisions.