To encourage continuous quality improvement, what adjustment may CMS apply to QM threshold every $6$ months?

Increase threshold by $25\%$ for the overall QM star rating.

Increase threshold by $25\%$ of the average rate of improvement for each Five$-$Star QM$.$

Increase the threshold by $50\%$ of the facilities improvement for each Five$-$Star QM$.$

Increase threshold by $50\%$ of the average rate of improvement in long$-$stay, short$-$stay and the overall QM star rating.