| Re: Math Formula Question - Need Ideas [message #184525 is a reply to message #184521] |
Sun, 05 January 2014 18:16   |
Jerry Stuckle
Messages: 2598
Registered: September 2010
Karma:
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Senior Member |
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On 1/5/2014 11:40 AM, Denis McMahon wrote:
> On Sat, 04 Jan 2014 20:22:31 -0500, Jerry Stuckle wrote:
>
>> On 1/4/2014 7:54 PM, Denis McMahon wrote:
>>> On Sun, 05 Jan 2014 00:26:08 +0000, Adrienne Boswell wrote:
>>>
>>>> I have a math question to which I can't find the answer. Here is the
>>>> scenario:
>>>>
>>>> Someone goes to a store and has $100.00 worth of items. The merchant
>>>> gives the customer a 10% discount, so only $90.00 is sent to the bank.
>>>> Of the original amount, $10.00 goes to the customer for the discount,
>>>> $80.00 goes to the merchant, $10.00 goes for a processing fee. But
>>>> those amounts have to be calced on the original amount, not what the
>>>> bank got. I need a formula to find the original amount if I have the
>
>> Actually, Denis, since the original statement was the processor gets
>> $10, he would get $10/$90 or 11.11% of the sale.
>
> Yeah, I took the statement "those amounts have to be calced on the
> original amount" as implying that the processing fee was being calculated
> on the pre-discounted total, as was the discount.
>
> Which is what led me to querying the nature of the processing fee, and
> whether given it's nature it's being calculated at the right point,
> because I would expect that a [payment] processing fee would normally be
> related to the amount of the actual transaction, which as you say is
> $10 / $90 in this case.
>
> I'm also wondering if Adrienne is perhaps using the term "processing fee"
> in a way other than that which I expect it to be used - we do get the
> "some people use a slightly different english" problem here occasionally.
>
> eg if "processing" was something like shipping and packing, $10 per
> order, then it would be $10 regardless of the original amount or the
> discounter amount, but then I wouldn't expect the processing fee to be
> calculated from the transaction cost at all, I'd expect it to be mainly a
> function of the total volume / weight and possibly item count of the
> goods involved.
>
Agreed. The entire question isn't real clear - no wonder the OP is
having problems with it.
--
==================
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Jerry Stuckle
JDS Computer Training Corp.
jstucklex(at)attglobal(dot)net
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