[Typo3-shop] Tax calculation incorrect?

[Robert Markula]

Franz Holzinger wrote:
(...)
> the total prices also include the prices for shipping and payment costs.
> Each has its own tax settings.
> This is calculated in the function getCalculateSums .

Okay, but for the above examples the shipping and payment costs have 
been each set to zero (priceTax = 0.00)

Regards,
Ro