If 1,000 college students move into a college dorm and they were 1,500 rooms available. Each room had a contract price of $3,000 dollars.

If 1,000 college students move into a college dorm and they were 1,500 rooms available. Each room had a contract price of $3,000 dollars. If the college lowered the price to $2,500 dollars for the remaining rooms. How would I show this properly on a supply and demand graph.