If you invested $400 a month for 100 months and ended up with $50,000, what would have been your return?

(The answer will be posted with the new calculator problem in 2 weeks. Or if you can’t wait that long, you can go to https://www.facebook.com/garyjohnstonseminars for the answer.)

Answer for 09/07/2015:

(I=7.5%,PV=63,000,PMT= -400,FV=0) N=667.50