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| Math Central | Quandaries & Queries |
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Question from CAROL: THE INVOICE TOTAL IS 2731.90 BUT IT DOES NOT SHOW WHAT THE NET AMOUNT IS THAT THE STATED GST OF 121.90 IS. HOW DO I CALCULATE THE NET AMOUNT THAT THIS GST AMOUNT REFERS TO? |
Carol,
Look at
http://mathcentral.uregina.ca/QQ/database/QQ.09.08/h/melissa4.html
and see if it helps. If you need more assistance write back.
Harley
Link didn't help, I have an invoice with the total of $2731.90, it is noted that the GST is $121.90. I need to know what amount of 2731.90 has the 5% GST included, and the amount that has no tax. Thanks
Carol
Hi Carol,
Now I see. You have an invoice, part of which is taxable and part is not. The 5% GST on the taxable amount is $121.90 so the person who sent the invoice calculated
(taxable amount) × 0.05 = $121.90.
Hence you can calculate (taxable amount) = $121.90/0.05 = $2438.00. Thus the invoice broken down is
Taxable Amount $2438.00 Tax (5%) $121.90 Subtotal $2559.90 Non-taxable amount $172.00 Total $2731.90
Harley
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