Getting confused why i dont get expected amount ?

Posted by Stackfan on Stack Overflow See other posts from Stack Overflow or by Stackfan
Published on 2010-12-23T00:51:15Z Indexed on 2010/12/23 0:54 UTC
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math

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billing

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mathematical-optimization

I have 1 result and which i will receive in Bank account, Based on that account i have to Put a balance to user account.

How can you find the Handling cost from total tried 491.50 / 0.95 = 517.36 which is wrong ? It should be 500.00 (to my expectation)

User balance requires 500.00 When 500.00 selected he gets 5% discount There is a handling cost for this

ex:
1) Discount: 500.00 - 5% = 475.00    
2) Handling cost: (475.00 x 0.034) + 0.35 = 16.50   
3) Total: 475.00 + 16.50 = 491.50

So problem is from 491.50, i have to find atleast handling cost to get promised Balance.

Any solution ? Cant figure it out myself...

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