Which of the following is NOT a factor in determining the future value of an investment?

مندرجہ ذیل میں سے کون سا سرمایہ کاری کی مستقبل کی قیمت کا تعین کرنے کا عنصر نہیں ہے؟

Principal amount

Interest rate

Time period

Inflation rate

The future value of an investment is determined by the principal amount, interest rate, and time period.

But inflation rate is not a direct factor in the calculation.