If a firm uses the marginal principle, then the firm picks the quantity of workers:
A) at which the marginal benefit equals the marginal cost.
B) at a point where the firms earns an additional profit by employing one additional unit
of labor.
C) equal the total product of labor times the price of labor.
D) is the same as the marginal product of labor.
Claudia spends her income on two goods, DVD rentals and chewing gum. She
considers both goods to be normal goods. If Claudia’s income stays constant and the
relative price of DVD rentals increases, she will:
A) rent more DVDs and purchase less chewing gum.
B) rent more DVDs and purchase more chewing gum.
C) rent fewer DVDs and purchase more chewing gum.
D) rent fewer DVDs and purchase less chewing gum.