Monthly bills
See which costs less, the refill or the new item
The refill and the new item are two prices.
This is arithmetic on the numbers you type. It doesn't check store prices.
Result
Result
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Copy my result includes the numbers on this page.
How this is calculated
The lower of the two prices is the one that costs less today.
What you type stays on this page until you refresh. It is not saved and not sent.