You are planning to study eight hours this week for your economics final and are considering studying a ninth hour. You should:
-Compare the benefits of one more hour of study with the cost of one less hour of sleep
-Compare the benefits of one more hour of study with the cost of one less hour of studying calc
-Compare the benefits of one more hour of study with the cost of one les hour of work
-Make your decision based on the next best alternative use of your time compared to the benefit of one more hour of study