Crystal Report Qustion - How to group total on a MAX?

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V8.03.406a.

I'm working on a crystal report based on our Quotes. Each quote line
may have different quantity price breaks, as is seen in the Quote
Quantity Breaks on the Worksheet tab. For each Quote Quantity I am
getting a total:

QuoteQtyTotal = {QuoteQty.OurQuantity}*{QuoteQty.DocUnitPrice}

This works fine but for each Quote Line, I only want to use the
maximum QuoteQtyTotal when I do a group total based on each Quote. I
can use the MAX function to select largest QuoteQtyTotal but I can't
seem to get use this value for a group total (per quote line).

Any ideas on how this can be done?

Thanks for any help!