In March of 2000, the Nasdaq 100 Index of the largest 100 technology firms (Symbol: QQQ) traded at $232 per share. On February 5, 2013 the Nasdaq QQQ traded at $67/share. (13.0 years)

What annual rate of return will be required over each of the next 10 years (from March of 2013 to March of 2023) to achieve a total average annual rate of return of 10% over the entire period (23 years)? (Assume no dividends have been/will be paid and annual compounding.)