For four periods (years) and a cash value of 7,500 currency units, the interest rate of the return is to be calculated if the future value is 10,000 currency units. =RRI(4; 7500; 10000)
如果一项现金值为 7500 货币单位的投资在 4 个周期（年）后达到的未来值为 10000 货币单位，则要计算的是这项投资的年回报率。 =RRI(4;7500;10000)