Interpreting a decision-making grid decision making at the margin options benefits opportunity cost
work 1 hour 1 hour pay 1 hour of study or recreation time
work 2 hours 2 hours pay 2 hours of study or recreation time
work 3 hours 3 hours pay 3 hours of study or recreation time
work 4 hours 4 hours pay 4 hours of study or recreation time
work 5 hours 5 hours pay 5 hours of study or recreation time
why is the decision being made a decision at the margin?

Suppose either computers or televisions can be assembled with the following labor inputs: units produced 1 2 3 4 5 6 7 8 9 10 total labor used 3 7 12 18 25 33 42 54 70 90 (a) draw the production possibilities curve for an economy with 54 units of labor. label it p54. (b) what is the opportunity cost of the eighth computer? (c) suppose immigration brings in 36 more workers. redraw the production possibilities curve to reflect this added labor. label the new curve p90.