Calculate the first-period rates of return on the following indexes of the three stocks: (Do not round intermediate calculations. Round your answers to 2 decimal places.)

a. A market value–weighted index.
Rate of return %
b. An equally weighted index.
Rate of return %

Which of the following best describes the economic effect that results from the government having a budget surplus? a. consumers save more and spend less, enabling long-term financial planning. b. overall demand decreases, reducing the incentive for producers to increase production. c. banks have more deposits, enabling them to make more loans to investors. d. government spending increases, increasing competition for goods and services and driving prices up.