1) mainline ltd. is a landline telephone manufacturer whose average return on invested capital is approximately 2 percent. because demand for landline telephones has declined significantly, the industry average return on invested capital has been negative (–5 percent) for the last few years. in this scenario, mainline ltd. has a

Acompetitive market in healthcare would a. overprovide healthcare because the marginal social benefit of healthcare exceeds the marginal benefit perceived by consumers b. underprovide healthcare because it would eliminate medicare and medicaid c. underprovide healthcare because the marginal social benefit of healthcare exceeds the marginal benefit perceived by consumers d. overprovide healthcare because it would be similar to the approach used in canada