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.
Please choose the right answer from above...I want your suggestion for the same.