Consider the Economy's Upward-Sloping Supply of Saving Curve

Consider the economy's upward-sloping supply of saving curve.An increase in the interest rate causes ________; an increase in current income causes ________.

A) a movement downward along the curve; a shift of the curve to the right
B) a shift of the curve to the left; a movement upward along the curve
C) a movement upward along the curve; a shift of the curve to the right
D) a shift of the curve to the left; a movement downward along the curve
E) a movement upward along the curve; a movement downward along the curve