In recent years, assistive technologies have been developed to give people with disabilities equal access to resources. Examples include wheelchair
ramps, voice-recognition software, and screen readers. Which statement best
explains how the market forces of supply and demand guided the
development of these technologies?
O A. As businesses became aware of the demand for equal access,
they began to invest in research and development to meet the
desires of their customers.
O B. As businesses developed assistive technologies, they began to
advertise their ability to provide equal access to consumers.
C. When assistive technologies became widely available, the public
demand for their universal adoption increased.
D. Engineers recognized the disparity in access to resources and
decided to develop systems that would address the issue.