If a worker receives a fixed payment of $100 plus $10 for every hour she works, what is the maximum total earnings the worker can receive if she is restricted to a maximum of 12 hours of work per day?

Average fixed costs of production

A) will rise at a fixed rate as more is produced. B) remain constant. C) graph as a U-shaped curve. D) fall as long as output is increased.

The opportunity cost of going to college is best measured by the

a. cost of room and board b. cost of tuition c. cost of room and board plus tuition d. income forgone by not working, plus tuition e. income forgone by not working, plus tuition and room and board