What is the most-used instrument for controlling week-to-week changes in the money supply?

All else constant, a decrease in the per unit price of labor would create an incentive for a firm manager to substitute labor for capital in the firm's production process

Indicate whether the statement is true or false

Suppose TC = 10 + (0.1 ? q2). If there are 100 identical firms in the market, the market supply curve is

A) Q = 1000 ? p. B) Q = 500 ? p. C) Q = 100 ? p. D) Q = 10.