Write a program that reads in two numbers: an account balance and an annual interest rate expressed as a percentage.

编写一个程序读入两个数字：账户余额和以百分数为单位的年利率。

youdao

In effect, she is paying $5 in interest for a $90 loan for two months: the equivalent of a credit card with a 44 percent annual percentage rate, a level most of us would consider predatory.

实际上，她已经预付了90美元两个月5%的利息，相当于44%信用卡的年费，大多数人都会认为它达到了掠夺的程度。

youdao

Financing interest rate, processing fee rate, and the total cost expressed as an annual percentage rate.

融通利率、手续费费率及以年百分率揭示之总费用。

youdao

For instance, Apple offers customers up to 18 months interest-free on purchases on a card from Barclaycard US. But if you don't pay off that specific purchase in the interest-free period, you'll face a variable annual percentage rate that's currently about 23%, according to the Apple website.

WSJ: 12 Debt Myths That Trip Up Consumers

They also argue that interest on loans is an astonishing 4, 000% when calculated as an annual percentage rate.

BBC: Wonga: Premier personal finance player?