What's the interest rate for the savings account?
儲(chǔ)蓄存款的利率是多少?

Interest is calculated at the rate of 0.8% per annum at present.
目前每年的利率是按0.8%計(jì)算的。

You can earn a little interest on your money.
你能從存款中獲得一點(diǎn)利息。

The account carries a low interest.
該戶頭利息很低。