Calculating Rates of Return [L03] Refer back to the Series EE savings bonds we discussed at the very beginning of the chapter Assuming you purchased a $50 face value bond, what is the exact rate of return you would earn if you held the bond for 20 years until it doubled in value? a. If you purchased a $50 face value bond in early 2017 at the then current interest rate of.10 percent per year, how much would the bond be worth in 2027? b