M does the teaching. Rich is the pupil.
One money question, answered plainly enough for a ten-year-old, with the sums shown and a tool to try them. There is one so far.
Two jars, the same ten sweets and the same deal. One holds ten after forty years. The other holds a great many more.
The tool: Two jars: a compound interest calculator in sweets, biscuits or money
Scripted comedy. Rich and M are AI characters. Nothing here is advice.