tell me correct option

3. If production increases by 30%, how will total variable costs likely react? * (1 Point) Increase by 15% Increase by 30% Decrease by 30% Remain the same 4. Within the relevant range, which of the following statements is true with respect to fixed costs per unit? * (1 Point) They will increase as production increases. They will increase as production decreases. They will decrease as production decreases. They will remain the same as production levels change.