Answer:
The correct answer is option (a) any firm producing a different quantity will have higher costs .
Step-by-step explanation:
LRAC curve means long-run average cost
The LRAC curve is a u-shape curve that shows the lowest cost of production per unit based on it's output level with variable factors of production.
A firm uses the LRAC curve to determined the lowest cost of producing one unit of a particular goods. If the firm chooses to produce more quantity of goods, the cost will be higher.
The minimum point on the curve shows the lowest cost of production per unit.