Does anyone pay attention to the last part of question (2)? What is the errow incurred in approximating a finite harmonic series by log?

<t>Both from the same hf company, but different interviewer.(1) why money has time value?(2) Given a container with 100 base balls, each time you randomly selected one ball, marked it, and returned to the container. If the ball has been marked already, you put it back immediately. Every time before ...

One question from big name financial company interviewer:Can you estimate how much money in my pocket ? Please also give me a 95% confidence interval. I need the concrete number, not just parameters.