Excel equation with values changing depending upon number of itemes

Hi,

Thanks in advance.

How can I achieve the following.

1. I would like an end total price
2. I would like the end total price to take in to account the following;

The first 10 of item x is at $3
The second 10 are at $2
The third 10 are at $1

How can I write an equation to automatically take in to account the above if I enter eg 28 items are bought, the answer being 10x $3, 10x $2 and 8x$1

I hope this makes sense.

Thanks
Gareth
Gareth McKeeCEO/OwnerAsked:
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Saqib Husain, SyedEngineerCommented:
Try

=3*MIN(10,A1)+2*MAX(0,MIN(A1-10,10))+1*MAX(0,MIN(A1-20,20))
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Saqib Husain, SyedEngineerCommented:
or

=IF(A1<11,3*A1,IF(A1<20,30+2*(A1-10),50+A1-20))
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Gareth McKeeCEO/OwnerAuthor Commented:
Syed, you are a genius, thank you for quick response and your brain.
0
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