If an investment is 70 percent likely to return 10 percent per year and 30 percent likely to return 15 percent a year, then its average expected rate of return is:

_______________ are inputs or ingredients mixed together by a firm through its technology to produce output

Fill in the blank(s) with the appropriate word(s).

A single-price monopolist will find when it produces its profit-maximizing amount of output that

A) price exceeds marginal revenue. B) price exceeds marginal cost. C) marginal revenue equals marginal cost. D) All of the above occur at the profit-maximizing output level.