When the Price of a Normal Good Decreases, the _______

When the price of a normal good decreases, the _______ can be divided between the _______, which keeps the best affordable point on the same indifference curve and the _______, which moves the best affordable point farther away from the origin.

A) price effect; substitution effect; income effect
B) price effect; income effect; substitution effect
C) income effect; substitution effect; price effect
D) substitution effect; price effect; income effect