未知题型 1. 房屋的基本构件有哪些？分别在结构中具有什么作用？

未知题型 Larry’s bank account has a “floating” interest rate on certain deposits. Every year the interest rate is adjusted. Larry deposited $20,000 three years ago, when interest rates were 7% (annual compounding). Last year the rate was only 6%, and this year the rate fell again to 5%. How much will be in his account at the end of this year? A、$23,818B、$25,826C、$22,795D、$30,127

单项选择题 概率法通过（ ）来调整各期的现金流量