Why does the maximum, “Estimated Total Yearly Cost”, vary from plans of the same type (like one EPO vs another EPO) from the same insurance company?

This is confusing because everything I have read says that the different metals (bronze, etc.) don’t effect “quality of care”. I am comparing EPO plans…

View More Why does the maximum, “Estimated Total Yearly Cost”, vary from plans of the same type (like one EPO vs another EPO) from the same insurance company?