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To: Broken_Clock who wrote (74721)5/14/2010 12:46:21 PM
From: Bread Upon The Water  Read Replies (1) | Respond to of 149317
 
As the other gentlemen said you would have to calculate it out from the first year to the last. Using 6% as the average interest rate your stake would double every 12 years (rule of 72). So your 1st years contribution would have doubled about 3 and 3/4 times (12 into 45) with a corresponding decrease in doubling periods each year.

If that produces over 260K you would be ahead of the game of the average benefit.