Billy and Mandy Jones have $26,000 to invest. On average they do not make any investment that will not return at least 7.5% per year. They have been approached with an investment opportunity that requires $26,000 upfront and has a payout of $5,900 at the end of each of the next 5 years. using the internal rate of return (IRR) method and their requirements determine whether Bill and Mandy should undertake the investment.