1.) What increases when productivity increases?
A. gross domestic product
B. interest rates on loans
C. national unemployment rates
D. interest rates on saving

2.)Pete's Peanuts wants to grow its overall productivity. Which investment would best help the company achieve this goal?

A. a larger building to store its peanuts
B. better advertisements for its products
C. new uniforms for company employees
D. an improved roasting and canning machine

3.) Which of these is a source of only federal tax revenue?
A. payroll taxes
B. property taxes
C. sales taxes
D. income taxes