If the units of variable input in a production process are 1, 2, 3, 4, and 5, and the corresponding total outputs are 30, 34, 37, 39, and 40, respectively. The marginal product of the fourth unit is:

Which of the following most resembles a perfectly competitive market?

A. The stock market B. The publishing industry C. The steel industry D. The new car market

Deterrence quantity is always equal to the zero profit quantity.

Answer the following statement true (T) or false (F)