please answer the following questions in the image

Quantity IRE- a. Find sellers' total revenue at each price. Sellers\" total revenue is $ million at a price of $900, $ and $ million at a price of $0. b. In the price range $900 to $600 the market demand curve for smartphones is (Clickto select) v (Click to select) v . (Click to select) v . (Click to select) v . million at a price of $600, $ million at a price of $300, . since price and total revenue In the price range $600 to $300 the market demand curve for smartphones is (Click to select) v . since price and total revenue In the price range $300 to $0 the market demand curve for smartphones is (Click to select) v , since price and total revenue c. Calculate the numerical values of the price elasticity of demand, ed, in the three relevant price ranges. Enter your responses below rounded to two decimal places, Include a minus sign (1 in front of any negative values. Do not round your interim calculations before obtaining the final solution (Le. do not clear your calculator). Between prices $900 to $600, the numerical values of the price elasticity of demand is Between prices $600 to $300, the numerical values ofthe price elasticity of demand is Between prices $300 to $0, the numerical values of the price elasticity of demand is d. Are your answers to parts b and c for the three relevant price ranges consistent