Translation of "Rates" in Chinese

Interest rates are still low.

利率还是低。

Interest rates and inflation were high.

利率和通货膨胀很高。

The Amazon rainforest is burning at record rates.

亚马逊热带雨林发生火灾的频率打破历史记录

I've heard that if you default on the water rates your water supply will be suspended, is that true?

聽說不交水費就會被停水，是真的嗎？