Demand Analysis. The Blu-ray version of "The Joker" has been a hot seller during recent weeks. An analysis of weekly demand within the local market shows:Q = 15,000 - 500P,

where Q is units of Blu-ray sales and P is the price.

A.

What would be the quantity of Blu-ray sales at a $24 price?

B.

Calculate the point price elasticity of demand at the $24 price level.Is this the correct price level to maximize total revenue for this demand equation? If not, should they lower or raise the price level?