Which of the Following Choices Represents a Benefit of Economies

Which of the following choices represents a benefit of economies of scale created by technology?

A) Fewer goods are manufactured, which represents a more sustainable approach.
B) More people can afford more goods, which at one time they would not have been able to afford.
C) Instances of waste in the workplace have been dramatically decreased.
D) Companies can produce a wider variety of products and charge more money, thus increasing revenues.