Savings and money market accounts are not included in:

Marginal revenue product falls as more labor is hired because

A) the price of the product must fall for a perfectly competitive firm to sell more. B) the marginal product of labor is negative as additional units of labor are hired. C) the wage rate rises as more workers work more hours. D) the marginal product of labor falls as a result of the law of diminishing returns.

A perfectly elastic demand curve is represented by a vertical line

a. True b. False Indicate whether the statement is true or false