I wrote my answer to the gentlemen from Singapore, the UK and Canada, but Twitter does not publish my answer (block?). In addition, someone deleted the question from my account, I did not receive it on Twitter. You can read my answer on my blog.

@giti_sg @PeterNBell @InfoGeoMegA
Do not ask me on social networks. They are all hacked. They removed your question from my Twitter account.
I answer your question.
I do not work with Russia, US and Chile.
I did not make any calculations. No one ordered them. We do not work for free.

Ph.D. Natalia Petrovskaya