It's a bit of tongue-in-cheek fun.
It's a calculator based on American living expenses, and also calculates in US dollars, but it is easy to convert.
I did the quick calculation: Our daughter "owes" us: $ 344 400.40 = R 3 977 996.82 (nearly four million South African rand)
|Kid Calculator results|
The certificate can be shared on social media, printed or emailed.