As more Big Macs are consumed each day, the marginal utility that a person gets from each additional Big Mac:

In the national income accounts, investment includes: a. expenditures on durable consumer goods. b. government construction of a new dam

c. additions to business inventories. d. purchases of used machinery by businesses.

In terms of efficiency, any point on a production possibilities frontier is as good another

a. True b. False Indicate whether the statement is true or false