Question

At a price of P15, quantity demanded for CDs was 36. When the price increased to...

At a price of P15, quantity demanded for CDs was 36. When the price increased to P20, the quantity demand for CDs fell to 32. When the price fell to of P10, demand rose to 40. And when price was at P25, demand decreased to 28.

a. Find the linear function that describes this demand behavior

b. Given the supply function Qs = -7+2P find the equilibrium price P* (round off to the nearest whole number) and quantity Q*

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