In an effort to increase transparency and competition which will hopefully decrease prices, what rule took effect January $1,2021,$ put in place by the Trump administration and backed by the courts?

Group of answer choices

The Food and Drug Administration will start to negotiate prices with the drug companies for Medicare beneficiaries.

Hospitals have to provide consumers with a searchable$$database of prices for about $300$ services.$$

Health insurers$$cannot deny coverage to customers.

Pharmacy benefit managers can no longer offer rebates on drugs.