Question Title Q: The Congressional Budget Office analyzed the impact of switching Medicare to a premium-support system like the one being proposed by House Republicans. CBO found that a program, in which a premium-support payment was based on the average bid of participating plans, would ... Decrease average premiums by 6 percent in 2020. Increase premiums by 30 percent in 2020. Increase average premiums by 47 percent in 2020. Next