If consumption is $1800, GDP is $4300, government purchases are $1000, imports are $700, and investment is $1200, then exports are $300

If the marginal profit from increasing output by one unit is negative, then to attain an optimum the firm should

a. increase output until marginal profit equals zero. b. reduce output until marginal profit equals zero. c. increase output until marginal profit is maximized. d. reduce output until marginal profit is maximized.

When determining whether an income places a family or individual in poverty, the official poverty rate excludes

a. money income derived from sources other than labor. b. money income received from transfer programs. c. noncash benefits derived from programs supplying recipients with food, housing, and medical benefits. d. noncash benefits that are provided the non-elderly, but it counts these benefits when they are supplied to the elderly.