Answer :
The correct answer here is Economies of Scale.
Explanation: Economies of scale is the proportionate savings with the proportionate increase in the production. They can also be understood as cost advantages. Companies achieve scale by maximizing the production and apparently less cost due to bulk purchases which reduces the cost. It gives the competitive edge over the competitors.It is judged by business size,if a business is expanding or size is increasing that means business have economies of scale. . Hence, in this case Ray is experiencing Economies of Scale.