Suppose now that the per unit price of protein shakes decrea…
Suppose now that the per unit price of protein shakes decreases to $2, while the per unit price of Protein bars and the income level remain unchanged at $2 and $16, respectively. The increase in the consumption of protein shakes brought about the decrease in the price of protein shakes is ____ units. This change can be decomposed into an increase of approximately ____ units by substitution effect and an increase of approximately ____ units by income effect. (Fill in the blanks.)