A production process is a specific combination of resources used to produce a good or service.

Which of the following statements is true?

A) If higher water prices encourage a landlord to place bricks in the water tanks of his toilets to reduce water usage, then for him bricks are substitutes for water. B) If higher gasoline prices encourage a potential vacationer to stay at home and read a good book by the fire, rather than drive through the country, then for her firewood is a substitute for gasoline. C) Both A and B are true. D) None of the above are true.

Tying is always profitable for a monopoly

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