The ROI course very helpful , I am currently talking a finance in which I learned about ways to calculate real returns on capital markets. I found that my finance course covered matierial on Geometric Mean returns which measures performace, similar to the advanced Total Value Formula taught in the video.. Great Info!!
Edwardo Gomez
Below is a template that can be used to calculate annual ROI:
http://spreadsheets.google.com/a/risingfarmworkers.org/ccc?key=0AgcFwmN4KDondGY1STE0aTFCNXRlajhmd0ctVDJTX2c&hl=en