I think that some of you here today are currently studying economics. For those who have taken an introductory course in economics, this should be a piece of cake -- at least, I believe so. Take question 1, for example. This 11  For details on the activities of the CCFSI, see https://www.shiruporuto.jp/e/. 10  involves compound interest calculation.
Compound interest calculation is a method in which interest is added to the principal sum so that interest for the following period is then earned on the principal sum plus the previously accumulated interest. With this knowledge, you may see that one would be better off starting asset building from an early stage in life and refraining from short-term transactions based on rash decisions.