The term "variable input" is used to refer to inputs that vary in terms of quality and, therefore, productivity

Instead of studying for an additional two hours for the economics final, Leann decides to watch a movie. Leann is making

A) a rational decision if her marginal cost from the movie is greater than her marginal benefit. B) an irrational decision because studying is more important than watching a movie. C) a decision that is not on the margin because she will see the entire movie. D) a decision that does not involve an opportunity cost. E) a rational decision if her marginal benefit from the movie is greater than her marginal cost.

According to Okun's Law, if the unemployment rate decreased by 1.75% over a year, the annual growth rate of real GDP was ________

A) 6.5% B) 1.75% C) 3.5% D) 5%