Frisco Corporation is analyzing its fixed and variable costs within its current relevant range. As its cost driver activity changes within the relevant range, which of the following statements is/are correct? I. As the cost driver level increases, total fixed cost remains unchanged. II. As the cost driver level increases, unit fixed cost increases. III. As the cost driver level decreases, unit variable cost decreases.

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.