Consider the following diagram of a market for one-bedroom rental apartments in a college community.

Consider the following diagram of a market for one-bedroom rental apartments in a college community.

a. At a rental rate of $1,000 per month, is there an excess quantity supplied, or is there an excess quantity demanded? What is the amount of the excess quantity supplied or demanded?

b. If the present rental rate of one-bedroom apartments is $1,000 per month, through what mechanism will the rental rate adjust to the equilibrium rental rate of $800?

c. At a rental rate of $600 per month, is there an excess quantity supplied, or is there an excess quantity demanded? What is the amount of the excess quantity supplied or demanded?

d. If the present rental rate of one-bedroom apartments is $600 per month, through what mechanism will the rental rate adjust to the equilibrium rental rate of $800?