Long-term investment decision, IRR method

Personal Finance Problem

Billy and Mandy Jones have $23,000 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 $23,000 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 Billy and Mandy should undertake the investment.

The internal rate of return (IRR) of this investment opportunity is nothing %. (Round to one decimal place.)