Annual Rate of Interest for Savings (RRI)
Syntax: RRI(Time; Value; Future)
What should the interest rate be if you want your investment of $100,000 to turn into a nice, round $1,000,000 over 25 years?
=RRI(25; 100,000; 1,000,000)
The answer is 9.65%.
Figure 8-15. Sample result of the RRI function
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