The Difference Between Slope and Elasticity Is That

Multiple Choice

The difference between slope and elasticity is that

A) slope is a ratio of two changes,and elasticity is a ratio of two percentage changes.
B) slope is a ratio of two percentage changes,and elasticity is a ratio of two changes.
C) slope measures changes in quantity demanded more accurately than elasticity.
D) none of the above;there is no difference between slope and elasticity.