Tyler invested $100,000 for 15 years at a 4% nominal rate compounded semi-annually.

He received his interest in cash every 6 months and then received his principal back at the end of the 15 years.

Tyler reinvested his interest payments at a nominal rate of 3% compounded quarterly.

At the end of the 15 years, what is Tyler's nominal annual rate of return compounded semiannually, on his $100,000 investment over the 15 year period?