Regarding the history of stock returns in North America, which of these statements is not accurate? On an inflation adjusted basis, real stock returns are more than 1%If you put a dollar under your mattress in 1957, it would have $8.78 in ourchasing power in 2016 due to inflationAll else equal, adjusting for taxes would decrease the required rate of return on stocks. onds achieve lower returns than stocks in the long run and they are less risky.