GST not Being Removed on Coupons

[Renz]

Try changing the 'Re-calculate tax' setting.

Well Humm...

Here is what I have done, changed the setting as per image attached and I believe that's what you suggested.

My Product is $ 81.00

Here is my result:

-$10.85 Discount Coupon: Posta Gratis :

$81.00 Sub-Total:

$9.95 Flat Rate (Best Way):

$7.37 GST: (this GST appears to be correct on $ 81.00)

$80.10 Total:

The total is not correct thought as I have discounted more than the $ 9.95

[RodG]

Well Humm...

Here is what I have done, changed the setting as per image attached and I believe that's what you suggested.

My Product is $ 81.00

Here is my result:

-$10.85 Discount Coupon: Posta Gratis :

$81.00 Sub-Total:

$9.95 Flat Rate (Best Way):

$7.37 GST: (this GST appears to be correct on $ 81.00)

$80.10 Total:

The total is not correct thought as I have discounted more than the $ 9.95

I guess my 1st question is why are you giving a $10.85 discount for 'Posta Gratis' when the Posta cost is only $9.95? This alone makes the figures look confusing.

As for the total cost...
$81.00 − $10.85 + $9.95 = $80.10 so there is nothing inherently wrong there.

As you have noted, $7.37 is the GST component of the $81.00 product cost.

The discount coupon & postage are GST free. As per the current settings.

The question here is what did you expect (want) the final cost to be?

Handy tip:
Create a test product for $100.00
Set your shipping cost to $10.00

Use these setting/numbers for all of your testing. The nice round numbers generally make it a breeze to figure out exactly what is going on.

Cheers
Rod