A local bank is running the following advertisement in the newspaper: "For just $$1,000$ we will pay you $$80$ forever!" The fine print says that for a $$1,000$ deposit, the bank will pay $$80$ every year

in perpetuity, starting one year after the deposit is made. What interest rate is the bank advertising $($what is the rate of return of this investment$)?$

The interest rate the bank is advertising is $\%.($Round to two decimal places.$)$