On Feb 29, 2008, at 8:55 PM, Cedric Chang wrote:

> I assumed that the rebate was taxpayer financed.
	:
>  I assumed 4% opportunity cost.  At 6% , your profit is
> -3,103.30 ( a loss ).  at 10% your loss is $8,292.14.

Did you remember to go back to the rebated cost when calculating
the cost of the "lost opportunity" ?  Even if tax-payer financed,
James would (presumably) only had the ~$13k to invest rather than
the ~$21k...

BillW

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