Question: Suppose the demand function for a good is expressed as Q = 100 - 4p. If the good currently sells for $10, then the point

Suppose the demand function for a good is expressed as Q = 100 - 4p. If the good currently sells for $10, then the point price elasticity of demand equals what?

a) -2.5.

b) -0.67.

c) -4.

d)-1.5.

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