When the local used bookstore prices economics books at $100 each,they generally sell 70 per month.If they lower the price to $70 each,they sell 90.Given this,what is the elasticity of demand for economics books,and what action should the store take
A)2.91; the store should lower prices to raise total revenue.
B)2.91; the store should raise prices to raise total revenue.
C)0.714; the store should lower prices to raise total revenue.
D)0.714; the store should raise prices to raise total revenue.

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The Answer of When the local used bookstore prices economics books at $100 each,they generally sell 70 per month.If they lower the price to $70 each,they sell 90.Given this,what is the elasticity of demand for economics books,and what action should the store take
A)2.91; the store should lower prices to raise total revenue.
B)2.91; the store should raise prices to raise total revenue.
C)0.714; the store should lower prices to raise total revenue.
D)0.714; the store should raise prices to raise total revenue.

When the Local Used Bookstore Prices Economics Books at $100