Mobile computing devices, such as smartphones and tablet computers, are currently in the ________ stage of the product life cycle

This passage contains a pronoun agreement error: "A stock broker typically works long hours. They don't have much time for their families."

a. true b. false

If fixed costs increase, but variable cost and price remain the same, the break-even point:

A) decreases. B) increases. C) remains the same. D) may increase or decrease depending on sales.