Suppose a firm has an output of 10,000 cans and a total fixed cost of $2,000 . At an output of 5,000 the difference between the total cost and the total variable cost is

If the equilibrium price of good X is $5 and a price ceiling is imposed at $4, the result will be a(n):

a. accumulation of inventories of unsold gas. b. shortage. c. surplus. d. all of these.

The four main forms of income that economists have identified include all of the following except

a. wages b. wealth c. rent d. profit e. interest