If the consumption function is C = 25 + 0.9y and income increases by $100, then consumer spending will increase by

If a firm faces a labor supply curve that is positively sloped, then the marginal cost of labor curve

A) equals the wage rate. B) equals the minimum wage. C) lies above the value of marginal product curve. D) lies above the labor supply curve.

A firm ________ in the short-run has an incentive to expand its long-run scale of operation.

A. breaking even B. earning positive profits C. making a loss D. that shuts down