For the Sake of Simplicity and by Convention, Price Elasticity

Multiple Choice

For the sake of simplicity and by convention, price elasticity figures are shown as

A) positive numbers (0.64, 1.25, etc.) .
B) negative numbers (−0.64, −1.25, etc.) .
C) Greek letters (∑, ∏, etc.) .
D) Roman numerals (I, V, X, etc.) .
E) English consonants (P, Q, R, etc.) .