Prior to contracting with a health insurer to offer a qualified health benefit plan, the Commissioner shall determine that making the plan available through the Vermont Health Benefit Exchange is in the best interest of individuals and qualified employers in this State. In determining the best interest, the Commissioner shall consider affordability; promotion of high-quality care, prevention, and wellness; promotion of access to health care; participation in the State’s health care reform efforts; and such other criteria as the Commissioner, in his or her discretion, deems appropriate.