The total utility from consuming five muffins is 14, 24, 35, 43, and 50 utils, respectively. Marginal utility begins to diminish after consuming the first muffin

Attaining higher and higher levels of air cleanliness causes

A) additional costs to rise to increasingly high levels. B) larger and larger increases in per capita incomes. C) additional costs to fall to lower and lower levels. D) larger and larger marginal benefits to society.

The theory that quantity supplied and price are positively related, other things constant, is referred to as the law of:

A. demand. B. supply. C. profit maximization. D. opportunity cost.