Which of the following variables are studied as part of microeconomics, and which are studied as part of macroeconomics? a. The U.S. unemployment rate b. The amount of tips earned by a waiter c. The...

Which of the following variables are studied as part of microeconomics, and which are studied as part of macroeconomics? a. The U.S. unemployment rate b. The amount of tips earned by a waiter c. The national rate of inflation d. The number of hours worked by a student e. The price paid to obtain this economics textbook