In what ways, does the MCO actually manage cost, and does it do so without diminishing the quality of care? How would your future role as an APN/APRN interface with the MCO?

In what ways, does the MCO actually manage cost, and does it do so without diminishing the quality of care? How would your future role as an APN/APRN interface with the MCO?
In what ways, does the ACO actually manage cost, and does it do so without diminishing the quality of care? How would your future role as an APN/APRN interface with the ACO?
Instructions: This is a discussion post, so a page to 1 1/2 pages is enough. APA format. Please use 3 references. Has to be at least three.