If the semi-elasticity between x and y is -0.25, what does it mean? A. When x decreases by 2 units, y increases by 0.5 unit B. When x decreases by 1%, y increases by 0.25 unit C. When x increases by 1%, y decreases by 0.25 unit D. When x increases by 2%, y decreases by 0.5% E. When x increases by 2 units, y decreases by 0.5% F. When y increases by 2 units, x decreases by 0.5% G. When x decreases by 1 unit, y increases by 0.25% H. Both (E) and (G)