What Does a Positive Value for Price Elasticity Indicate If

Multiple Choice

What does a positive value for price elasticity indicate if y represents the quantity demanded of a particular good and x is its unit price in a log-log regression model?

A) As price increases, the expected sales decreases.
B) As price decreases, the expected sales increases.
C) As price increases, the expected sales increases.
D) As price decreases, the expected sales remain the same.