Moving by point a to point b to point c to point d to pint e beside demand curve D, then absolute value of the price elasticity of demand for DVDs video games is: (w) greater at lower prices than at higher prices. (x) constant and equal to minus one. (y) greater at high prices than at low prices. (z) positive, then unitary, then negative.
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Please choose the right answer from above...I want your suggestion for the same.