Working with decimal numbers you can have problems, because javascript goes crazy with them, the best thing you could do from the beginning is multiply everything by 100, so javascript will not throw you unwanted decimals, that’s how I was able to pass the test , good luck.
keep it up, it is really helpful, although solved that challenge, I might redo it
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Thanks for your comment, you could do it again if you want, it is a challenge for those of us who haven’t been programming much. 
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even after multiplying by 100, it did not work, I used parseFloat(change.toFixed(2)) to work it out. cheers! 
That’s what I do too lol
If you multiply by 100, you have to convert the numbers to integers.
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