Suppose that the alternative uses of an hour of your time in the evening, ranked from best to worst, are (i) study economics, (ii) watch two half-hour tv sitcoms, (iii) play pool, and (iv) jog around town. you can only choose one activity. what is the opportunity cost of studying economics for one hour, given this information? jogging around town. watching two half-hour tv sitcoms. playing pool. the sum of watching two half-hour tv sitcoms, playing pool, and doing your laundry.

Atlas manufacturing produces a unique valve, and has the capacity to produce 50,000 valves annually. currently atlas produces 40,000 valves and is thinking about increasing production to 45,000 valves next year. what is the most likely behavior of total manufacturing costs and unit manufacturing costs given this change? a. total manufacturing costs will increase and unit manufacturing costs will also increase. b. total manufacturing costs will stay the same and unit manufacturing costs will stay the same. c. total manufacturing costs will increase and unit manufacturing costs will decrease. d. total manufacturing costs will increase and unit manufacturing costs will stay the same.

Which change is illustrated by the shift taking place on this graph? a decrease in supply an increase in supply o an increase in demand o a decrease in demand

Which of these is not a result of regular exercise