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

Part $1$

The interest rate the bank is advertising is $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\%.($Round to the nearest$$ integer.$)$