Which area in the above figure shows the producer surplus at the price and quantity that would be attained if the industry were perfectly competitive?

From the apartment landlord's perspective, what might be a substitute use of his rental property?

A) A parking lot B) An office complex C) A condominium D) Any of the above. E) Definitely none of the above.

Around 1910, the ______________ changed everything, including what was inside the home to where the homes were located

a. Airplane b. Radio c. Automobile d. Television