A local bank is running the following advertisement in the newspaper: "For just $4,000 we will pay you $360 forever!" The fine print in the ad says that for a $4,000 deposit, the bank will pay $360 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 the nearest integer.) You are thinking of building a new machine that will save you $2,000 in the first year. The machine will then begin to wear out so that the savings decline at a rate of 2% per year forever. What is the present value of the savings if the interest rate is 4% per year? The present value of the savings is $. (Round to the nearest dollar.)