Periodic fluctuations in real GDP are called

The table above represents different points along a production possibilities curve. What is the marginal cost of moving from 2 bushels to 3 bushels of beans?

A) 9 bushels of carrots per bushel of beans B) 12 bushels of carrots per bushel of beans C) 3 bushels of carrots per bushel of beans D) 21 bushels of carrots per bushel of beans

The Congressional Budget Office estimates that most of the increase in federal spending on Medicare and Medicaid will be due to

A) increases in immigration. B) the aging population. C) declining income levels. D) increases in the cost of providing health care.