Money type

[Ola Fosheim Grøstad]

On Friday, 3 January 2020 at 17:14:06 UTC, Ola Fosheim Grøstad 
wrote:
> If you want the price without VAT, rounded you'll have to do:
>
>    (price * 200 / 242 + 1) / 2

Hah! Another fixed point mistake!!  It should have been:

    (price * 200 / 121 + 1) / 2

This is what makes fixed point a chore, it is hard to read and 
tricky to maintain, even when it was easy to write...