An investment of 10,000 growing to 16,000 over 4 periods implies a 12.47% annual rate.
The cumulative gain over the full term is 60.0%.
Use this rate as a hurdle rate: any project earning more than this is adding value in real terms.
Compounding frequency matters for bonds and savings accounts. Switching from annual to monthly compounding noticeably raises the effective annual rate.
Next stepPlug this rate into a DCF or NPV model to evaluate future projects against the same benchmark.