Please help, don't send any link or i'll report it

Ineed with a, b, c, d, and e on the long answer

The graph above shows how the price of cell phones varies with the demand quantity. the equilibrium price for cell phones is where both supply and demand quantities equal $100, 5,000 5,000, $100

If anyone would be able to me out with these three questions it would be these are from the chem 2202 course.